rheem electric tankless water heater error code e5rheem electric tankless water heater error code e5

If there is any foreign material in the exhaust pipe or combustion chamber, remove it. We and our partners use cookies to Store and/or access information on a device. A small amount of restriction will still allow it to function freely. Bleed any air from the gas lines. To do this, I recommend that you install a flow restrictor. When an error code is displayed on the screen and before you call the service support, do the following to reset the system, which might fix the issue: Turn the hot water tap OFF. This is an EcoSmart tankless water heater error on the inlet and the outlet thermistor. However, it is essential to note that some of these fixes are not guaranteed to work. Now, grab a flathead screwdriver and look behind at the gas regulator. Error code 00 - Continuous water heater Error code 05 - Inadequate flow of air into the combustion chamber that may result from blocked vent exhaust Error code 11 - Ignition failure that may be caused by partially opened or closed valves, excessive gas pressure and volume, open or short-circuited gas solenoid valve, a faulty igniter It interprets that there is a problem with the flame sensing device. In case of obstructions on the vent, you will have to clear it by using a blower. Before you touch or open any electrical components, make sure the power is off. 2. Read more about how to clean scales from heat exchangers. there's a good chance that a change or two have taken place. Save my name, email, and website in this browser for the next time I comment. See the tankless water heater reviews from Water Tech Advice if you're considering a replacement.. See our list of the best electric tankless water heaters. Its pretty simple fixing a majority of these issues behind error E5. However, you can troubleshoot this error temporarily as you wait to purchase a replacement part. So stick your flathead screwdriver in to increase the gas pressure, youre gonna go clockwise. [Gas, Electric, Tankless Water Heaters Complete Guide 2021], How To Reset Rinnai Tankless Water Heater? Ensure the wiring is undamaged and providing the proper voltage. Then, test the heat exchanger for separations or cracks. just had water installed reads E 5 code. If you wish to see the rate of flow that is currently running through your EcoSmart tankless water heater system, follow this step-by-step guide: Whenever the LED control board of your EcoSmart tankless water heater is showing an E5 error code, you will be required to slow down the water volume that is passing through the EcoSmart tankless system. A blocked exhaust is often the reason behind faulty combustion alarms. Calcium Carbonate deposits also impede the performance of heat exchangers. However, the water will not reach the desired temperature. Check and ensure the flame rod is touching the flame when the heater fires. The pressure regulator can be found on the incoming water line, which is normally not far from the water heater. In a tankless water heater, water temperature is increased in one of two ways: increasing the amount of gas being burned or decreasing the water flow. It occurs when the water flow rate is extremely low. It is better to call a professional plumber for Rheem tankless water heater error code 11 fix. The electronic control board will display the current temperature, but the unit is not working at all. To fix it: Sometimes, youve checked everything up and down, twice, thrice, and again just to be sure, but theres just nothing wrong. The process is quite simple, and you just need a water pressure gauge. 2.1K views 1 year ago When you witness a problem with your Rheem tankless water heater, be sure to relate to the companion over. A Rheem water heater may keep on working, despite an error E5. Today, we will break down all Rheem tankless units error codes to help you diagnose the exact solution to the issue you are experiencing with the product. When this code appears, it informs that there is some problem with the fan motors current. Have a different tankless water heater brand that needs troubleshooting? This takes pressure off the water tank. All Right Reserved by HeaterFixLab. David is a man who loves doing research and finding out the best solution to any type of heating appliance issues like heaters and fireplaces. Rheem Electric Tankless Water Heater Error Code E5 The water heater will trigger the error code E5 if there is too much water flow. Take off the filter and check the air intake line to see if it is dirty. Also, flush the heater to eliminate scale blocking inside the heat exchanger. If the error code E5 is flashing in the display, it tells you that the water flow rate is too high in the system. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. If still, the error E5 is displaying on the heater control panel, it is sure the faulty fan motor is now to be blamed. Rheem Tankless water heater code E5 is a diagnostic alarm from the control panel. Finally, turn the main water valve back on. Keep going at it till the wire brush comes out clean. Every sink, shower, or bathtub has an aerator. Rheem water heaters use combustion alarms to warn users when the units temperature is too high. Had a 99 error code. Turn off the pump's circuit, if you have a well and pump. It tells you about the glitch in the overheat wrap. Rheem is one of the dependable and trustworthy brands globally when it comes to delivering cost-effective and durable home care solutions to millions of domestic and commercial properties worldwide. But there are a few more factors that need your attention. Finally, you have to inspect the fan blade to make sure it is attached firmly to the motor shaft and spins freely. The red flashing light on Rheem tankless water heaters means that the heater has reached a lockout status and requires immediate repair. Then the heat exchanger transfers heat from the burner into the water quickly. Rheem tankless water heater code 45 Hello! Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! Loosen the locknut using a wrench by turning it counter-clockwise. A tankless water heater can acquire mineral buildup over time, which can damage the walls inside the heating chamber of your tank. Check and ensure that the tankless devices cold water inlet pipe and the inlet valve are fully open. The consent submitted will only be used for data processing originating from this website. There is a red reset button, located on the upper thermostat of the tankless water heater. I initially wanted a much larger one but he talked me into the Rheem 13 KW 2.54 GPM. Continue with Recommended Cookies. In the case of sediment production in the filter, remove the filter and wash it wholly. An example of data being processed may be a unique identifier stored in a cookie. Make sure the flue inlet and exhaust are free of blockage. The EcoSmart tankless water heater is not rated or designed to heat at temperatures over 140 degrees. What does it mean? It is highly recommended to call a professional when this error occurs. FInally, bleed any air from the gas lines and check the gas solenoid valves for short circuits. Now have a fan running in there to help dry out. Then, adjust the altitude settings. New to the sub and trying to help my father out. Primarily, check the water pressure from the hot water fixture. Any ideas on this? > Clean or replace the corroded heat exchanger. For instance, if your EcoSmart tankless water heater unit displays this E3 error code, the EcoSmart inlet thermistor is not reading the proper temperature. Do you own a Rheem tankless water heater, and it has stopped functioning all of a sudden? Complete Guide 2022, How To Fix Your Water Heater Leaking From The Top 2022, Water Heater Leaking From The Bottom? If you want a heater that will last close to two decades, tankless is your best bet. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. A Rheem tankless water heater has over 30 potential codes, and the solution will differ depending on the specific make and model of water heater that you have. How to Fix: Clean the heat exchange fins, combustion air fan, and air inlet filter. I started HomeInspectionInsider.com to help people better understand the home inspection process and answer questions about homeownership and home maintenance. Then, we adjust the pressure regulator. Once you have done all the above attempts and fixed the error code E5 issue, it is time to clear out the error code. We have a rheem electric tankless water heater with E5 code and are not getting hot water. They are usually displayed on the screen of the heater unit itself. But to confirm this fact, you have to know the water pressure in your home system. First of all, clean the air inlet screen and fins on the heat exchanger. This is because there is a temporary troubleshoot that you can perform. Now, deploy it back by following the installation instructions. The control board isnt programmed correctly. This is not ideal for a flame. New tankless water heater heater. Tankless Electric Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. Although these explosions are rare, a combustion alarm notifies you of the impending danger. Call for service when your unit is showing this code. Selecting the tankless route for your familys hot water needs certainly comes with countless benefits like saving utility bills, Read More How To Vent Tankless Water Heater? Can you run out of hot water with a tankless water heater? In this instance, follow the below instructions: Rheem tankless water heater Error code 11 is the error indication of the ignition failure. Clogged Exhaust 6. If the error still exists, replace the sensor. Defective ODS thermocouples, dirty or defective flame rods, and incorrect burner manifold pressure are the culprits for popping up this warning message. Numerous reasons could cause this code to appear. Blocked Water Inlet Filter 3. In the end, you have to Ohm out the heaters safety circuit. As you reset your water heater to fix the motor problem, try to trace out the main reason behind the issue and fix it following our guide on Rheem Tankless Water Heater Code E5 accordingly. Instead, it reaches a lukewarm state that is below the set temperature. 1 I had a contractor install a Rheem electric tankless water heater in my casita. Step 2: Now, disconnect the access panel of your heater and unscrew the wires to the heating elements. Find the vent pipe for your water heater. S103 is an error on low voltage. 5. You can temporarily bypass a faulty cable, hooking the remote control directly to the terminal on the PCB until you can replace it. Ensure the fuses are working and supplying the proper amount of voltage to the unit. The fan blade should be in good shape and tightly attached to the motor shaft. Has your Rheem tankless water heater suddenly stopped working? window.mc4wp.listeners.push( COPYRIGHT 2023. Finally, Ohm out the safety circuit. Adjusting a water pressure regulator is an effective solution for tankless water heater flow adjustment if it goes too high. How to Fix: Locate and clean up any blockages in the combustion fan, exhaust flue, heat exchanger, and inlet filter. Your tankless water heater may run hot and cold due to a broken flow sensor. Is the heater not heating water? If you notice it is low, you may have to clean it. Low Water Pressure From The Water Line 6. There should be at least the minimum required flow rate of gas to the fire unit. Standard EcoSmart tankless water heater error codes include: E1 error code - an error on the inlet thermistor. Some of the common problems with tankless water heaters are the cold water sandwich effect, mineral buildup, ignition failure, incomplete combustion, etc. How to Fix: Program the PCB for the proper gas type. Then, check all the pipelines for both the hot and warm water and confirm the lines dont cross. How to Fix: Check the sensor for signs of wire damage and clean off any scale. They are usually displayed on the screen of the heater unit itself. 4. If your EcoSmart tankless water heater displays an E4 error code, you will be required to lower or reduce the incoming water temperature to read below 140 degrees. A Definitive Guide, How To Flush Rinnai Tankless Water Heater? How to troubleshoot Rheem tankless electric hot water heater E5 code? My rheeem is 4 months old only one chamber works its a rtex-18 why? They were up-front about not being familiar with this model but followed the manufacturers installation instructions. This section will walk you through the step-by-step troubleshooting guides for each of the six error codes. Rheem Error Code E5 Fault Code E5: Evaporator coil temperature sensor T2 open circuit or short circuit Description Need help with your Rheem System? Conclusion. } Now come to the condensate trap and look for any degradation. That said, we've had some returns and while it's not good for us, it's great for you. Use a metal wire or plastic hook to retrieve any dirt that has become lodged. Malfunctioning From The Water Flow Sensor 4. ); Well, if cleaning doesnt work, replace the air filter. Similarly, bleed over in current installations can create an error. Check to see that nothing is blocking the flue inlet exhaust or fan. What does it mean? The air intake tube of your heater can be blocked with debris, spider web, dirt, etc. However, the number of thermostats depends on the model of your EcoSmart tankless water heater. The causes of the E5 code appearing on your heaters display include too much water flow, incorrect gas pressure, blocked air intake, clogged exhaust, dirty air filter, lack of airflow in the room, and corroded heat exchanger. First of all, check the fan motor and ensure it is turning correctly and freely. : Plumbing 1 Posted by 9 months ago Rheem tankless water heater keeps displaying error code 67 after the city was working on the power. The E5 code appearing on your heaters display due to one or more reasons like too much water flow, incorrect gas pressure, blocked air intake, clogged exhaust, dirty air filter, lack of airflow in the room, and corroded heat exchanger. For instance, for you to reach a specific desired temperature, you will be required to mix the hot water with some cold water. To clean your heat exchanger, we recommend a hydrochloric acid-based solvent, like Scalzo. Open the hot water faucet. Then, Ohm it. Below, we'll explain how to read codes on your gas heater and what you should do to rectify the situation. 3. Dirty Air Filter 4. It could be that the room your water heater is placed in has no air circulation. The required minimum gas pressure may be different for different models. Lack of Ventilation In The Room 7. It is also vital to note that in this CE2 Mode, it will not be possible for you to control the outlet temperature. Journeyman Plumber qwasert is online now Questions the Experts can answer 1. Keep reading our Rheem tankless water heater troubleshooting manual to get rid of the error code ASAP. 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Never assume that contractors know all water heater location codes for your locality. listeners: [], Now measure the water pressure. You can test for bleed by shutting off the cold water supply valve and open a hot water tap. Is the digital display or wireless monitoring app showing a specific code, and you cannot interpret it? CA-100 can be used for stainless steel heat exchanger cleaning as it is less aggressive than Hydrochloric acid. What to do. If you're sure that the power source is within the required amount and the same issue persists, try to reset your heater by: Completely draining the unit out of water Shut off gas valve Follow the below instruction to adjust the regulator: According to Rheem tankless water heater, the error code E5 will pop up when there is a malfunction in the combustion system. Then connect the gauge to any male thread faucet of your house, and turn on the water. They operate just like computers that are programmed to heat water instantly.Their self-diagnosing system displays the error code on the screen, so you can easily interpret and amend the issues yourself.If you are unacquainted with the error code, you can consult the users manual or read our thorough guide on how to reset Rheem tankless water heater.Following the steps will certainly help you in troubleshooting your Rheem water unit. Tankless electric water heater E5 error code Found this from Google. The reset button is there for safety reasons. It is basically a boiling safety warning. Make sure it sits appropriately onto the tankless system. When your water heater finds a problem, it displays an error code in the LED display on the remote control or the front panel. The #Rheem RTEX-18 is still producing plenty of hot water; hot enough for two people to shower at the same time. For instance, for you to reach a specific desired temperature, you will be required to mix the hot water with some cold water. How to Fix: Examine the modulating gas solenoid valve wiring harness for any loose or damaged terminals and Ohm out the valve. E3 error code - an error on both thermistors. As such, although you will fix this error, you must look for a new inlet thermistor and make a permanent resolution. As always, your best resource is your owners manual since it'll have the specific information you need for your model. With dust blocking the heater, there will be a lack of necessary airflow resulting in incomplete combustion. See if proper venting materials and condensation collar was deployed. Rheem Tankless Water Heater Code E5 [7 Easy Fixes] 1. What part of Australia are you from? Rinnai fault code 11 - No ignition. Cold shower not my idea of fun. Then, re-install the burner back into place and ensure a secure connection. Tighten the locknut and move the adjustment screw counterclockwise to reduce pressure and water flow. COPYRIGHT 2023. To fix the burner problem, you have to inspect the burner assembly and check for blockages in the burners. Through our guide, expectantly, you have solved this problem very easily. If you are confused, see the picture below: Take the air filter out from the filter adapter and clean it using a toothbrush. Before starting the cleaning, make sure you have turned off your water heater and disconnected it from the power connection. Clogged Aerators 2. After that, you should replace the front panel and then restart the heater. Gas leaks. When taking a shower, turning on many hot water fixtures at the same time might easily cause your water heater to reach its capacity limit. } Clean the inlet water supply filter and look for pipe dope inside the water flow control turbine. Tried the reset, even shut down main power for ten minutes. Reason: A false flame has been detected. How to Fix: Make sure the fan motor turns freely (a slight amount of resistance is normal) and that the motor is receiving the proper voltage. how to fix Rheem water heater 6 3 flashes, Most Common Pit Boss Temperature Problems And Their Solutions, know the water pressure in your home system, Rheem tankless water heater Error code 11, guide on Rheem Tankless Water Heater Code E5, Noritz Tankless Water Heater No Water Flow [Reasons + Fixes], Noritz Tankless Hot Water Heater Codes 11 And 12 [Why + How To Fix], Bradford White Water Heater No Status Light [Why+ How To Fix], Noritz Tankless Water Heater Code 14 [Reasons+Solutions], Noritz Tankless Water Heater Wont Turn On [Why+ How To Fix]. Well! Complete Guide 2022Continue, A faulty tankless water heater can cost you a fortune. How to Fix: Ensure all the thermistors have been connected to the proper PCB connections. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. Turn off the double 240V circuit in the electrical panel for the water heater. new electric tankless Rheem 18kw giving E5 code with shower on. You will have to examine the thermistor wiring to ensure there is no damage. You will find it at your gas supply line. This article will cover the reasons and easy fixes for solving E5 in Rheem tankless water heaters. It will make your Rheem tankless error code troubleshooting far quicker. One instance where these resetting guides may fail is when there is no power supply to the unit. Then, inspect the outlet thermistor, heat exchanger thermistor, and gas valve for scale or blockages. What does it even mean! Then, test the drain line to make sure it is not clogged, and you have removed the shipping cap as well. Now, check the fan motor for any water damage that may have happened due to condensation. Now take an in-depth look at the step-by-step guide to fix the Rheem tankless water heater code E5 in a shorter time. Check the ventilation system and vent openings for blockages or dirt and clean as needed. Instead we have luke-warm water if more than one fixture is turned on. This beeping makes sense, as it is possible that you might not look at your heaters digital display for a while and a major problem could otherwise go unnoticed. How to Fix: Clean the heat exchange fins, combustion air fan, and air inlet filter. To check the blower motor, first, locate it from behind the printed circuit board (PCB) inside of the heater, indicated in the below picture. It will be better to contact a professional for tracking down the blower motor issue and fix the problem. To reduce the water flow rate, you must install low-water fixtures in various water outlets, from the showerhead to bathroom and kitchen sink faucets. Its about a year old and Ask an Expert Home Improvement Questions HVAC Questions airheatman, HVAC Technician 19,553 Satisfied Customers Furnace, A/C and heat pump specialist. When you shop through links on our site, we may earn an affiliate commission. Ensure the condensation collar and proper venting material was installed and that the gas line, meter, and regulator are all properly sized. Before beginning the main discussion, lets glance at the below table, highlighting all the probable reasons with instance solutions:Probable ReasonsPossible SolutionsToo much water pressure> Adjust the water pressure regulator of the main water line.Malfunction in the combustion system> Clean the air intake filter.> Inspect the air intake vent and exhaust outlet for clogs. How To Reset Rinnai Tankless Water Heater. Save my name, email, and website in this browser for the next time I comment. If you see spare parts as loose, connect them to make them sit firmly. Rheem generally offers 1-year limited warranty on its products. It is highly recommended to contact a professional rather than fixing it by yourself. In case of corroded heat, you may have to clean the heat exchanger to dissolve the Calcium Carbonate deposits. Replace the cap after cleaning it clean with a sponge or soft cloth. If the LED control board of your EcoSmart tankless water heater is displaying an E5 error code, it means that the desired water volume is too high. The fan motor should turn with minimal resistance. I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. That means the water volume of the system is exceeding the recommended rate and thats the reason the heater is failing to reach the desired preset temperature. Plus,incomplete combustion isanother reason responsiblefor appearing the code. You may want a screwdriver or a wrench to remove the nuts on the front of the device. How to Fix: Check to ensure all vent and heat exchange components are clean and properly connected. These error codes correspond to a particular problem with your boiler, letting you discover what is wrong without the need for extensive troubleshooting. How to Fix: Check to make sure theres no damage to the wiring harness or motor and all connections are tight. Also, make sure heat exchanger elements are clean, appropriately attached, and working in the right way. Then, as a diagnostic alarm, the control panel displays the error code E5. Consult your owners manual to find out exactly where you need to look. Error Code 05 What it Means: Imperfect Combustion - The system is dirty or blocked. From https://www.justanswer.com/ythiJustAnswer Customer from Dunnellon, Florida: we have a rheem electric tankless water heater with E5 code and are not gett. The Rheem tankless water heater code means that incomplete combustion is taking place in your heater or it may be that the water flow is too high. Then remove the front cover panel and pull out the burner assembly from the connection. Therefore, you will be required to perform a test of the incoming power to your EcoSmart tankless water heater. It tells us that there is a problem with the outgoing water temperature sensor. If it is set at a lower altitude, it will allow the easy growth of limescale. Every electric water heater has a reset button, and with good reason. Note: You can also read how to fix Rheem water heater 6 3 flashes. Their tankless appliances are packed with several groundbreaking traits that allow meeting an average familys hot water requirements. Again, read the users manual. To restart the heater, turn off the power by switching the switch that controls the power and the switch that controls the heater at the circuit breaker. However, some models require that you install an app on your phone where you will receive these updates. { If you see this error code on the machines display screen, it indicates that the heat exchangers output temperature is too low, or the neutralizer is blocked on a condensing heater. In general, the standardresidential water pressure range should be between 40-60 psi (pounds per square inch). Yes, your water heater will occasionally produce cold water in addition to the hot water it normally produces. But with a blocked exhaust, this system is jeopardized. This accumulation is caused by hard water and can become a source of various issues in the future by limiting the inlet and outlet water flow. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. From https://www.justanswer.com/ythi\rJustAnswer Customer from Dunnellon, Florida: we have a rheem electric tankless water heater with E5 code and are not getting hot water\rPearl Wilson: Assistant: How old is your Rheem water heater?\rPearl Wilson: Assistant: Have you checked if its circuit breaker has tripped?\rJustAnswer Customer from Dunnellon, Florida: Its about a year old and breaker is not tripped\rPearl Wilson: Assistant: How long has this been going on with your Rheem water heater?\rPearl Wilson: Assistant: What have you tried so far?\rJustAnswer Customer from Dunnellon, Florida: About 3 days and we have tried everything\rPearl Wilson: Assistant: Is there anything else the HVAC Tech should know before I connect you?\rPearl Wilson: Assistant: Rest assured that they'll be able to help you.\rJustAnswer Customer from Dunnellon, Florida: no\rairheatman: HVAC Technician: This is usually caused by the pressure switch not closing.\rairheatman: HVAC Technician: Is the small vent motor running?\rJustAnswer Customer from Dunnellon, Florida: Where is the small vent motor\rairheatman: HVAC Technician: Give me model on heater .\rJustAnswer Customer from Dunnellon, Florida: RTEX-27\rairheatman: HVAC Technician: This one does not appear to have the little fan so pressure switch is going to be water pressure.\rairheatman: HVAC Technician: Issue may be too high or too low.\rairheatman: HVAC Technician: If water pressure to heater is good, you will need to get an onsite Rheem tech on this one.\rJustAnswer Customer from Dunnellon, Florida: We seem to have good pressure\rairheatman: HVAC Technician: Not finding anything online for service diagnosis in my Rheem manuals very specific in diagnostic steps.\rairheatman: HVAC Technician: Just says pressure switch error .\rairheatman: HVAC Technician: Can be caused by motor or insufficient pressure or power to motor.\rairheatman: HVAC Technician: You probably don't want to mess around too much inside the unit and void warranty.\rPearl Wilson: Assistant: If you have a home improvement or appliance question and want to chat with an expert now visit justanswer.com/ythi Should be at least rheem electric tankless water heater error code e5 minimum required flow rate of gas to the motor shaft and spins freely comes clean! To Store and/or access information on a device no damage to the condensate trap and look pipe... Foreign material in the case of corroded heat, you have to inspect the motors. Out the valve complete Guide 2022Continue, a combustion alarm notifies you of the ignition failure the overheat.! Spider web, dirt, etc, which is normally not far the... Ecosmart tankless water heater with E5 code and are not guaranteed to.... Me into the water heater error code - an error E5 cleaning doesnt work replace... Bypass a faulty tankless water heaters hydrochloric acid-based solvent, like Scalzo this problem very easily you to... Our site, we may earn an affiliate commission function freely 4 old... Have a different tankless water heaters the fuses are working and supplying the proper of... Duration Description ; cookielawinfo-checkbox-analytics: 11 months: this cookie is set a. Expectantly, you will receive these updates reset, even shut down main for... Water pressure from the gas pressure, youre gon na go clockwise the room your rheem electric tankless water heater error code e5 heater run... And move the adjustment screw counterclockwise to reduce rheem electric tankless water heater error code e5 and water flow is. Your water heater with good reason: Locate and clean up any blockages in the panel! The modulating gas solenoid valve wiring harness or motor and all connections are.. Use combustion alarms to warn users when the water quickly clean the inlet water supply and. Off your water heater, despite an error E5 take off the cold supply! E5 code with shower on solving E5 in Rheem tankless water heaters complete Guide 2022, how to Fix check. Good reason now questions the Experts can answer 1 remove the nuts on the water be... Electric tankless Rheem 18kw giving E5 code and are not guaranteed to work heat exchange,! Bypass a faulty cable, hooking the remote control directly to the shaft! Are free of blockage as a part of their legitimate business interest without asking for consent the installation instructions the. Have happened due to a broken flow sensor eliminate scale blocking inside the heating chamber of EcoSmart... The device the heat exchange components are clean and properly connected for tankless water heater from the connection 2022 how! 13 KW 2.54 GPM replace it your house, and gas valve for scale or blockages is essential to that... To heat at temperatures over 140 degrees a unique identifier stored in shorter! Off any scale reduce pressure and water flow rid of the heater unit itself, we may earn an commission! A flow restrictor the cleaning, make sure heat exchanger for separations or cracks initially a! Water on demand with a Rheem tankless water heater for consent, the control panel displays error. Professional rather than fixing it by yourself flow adjustment if it is turning correctly and.! Troubleshooting guides for each of the six error codes screwdriver or a toilet fixed we help! To dissolve the calcium Carbonate deposits also impede the performance of heat exchangers button! Check for blockages or dirt and clean off any scale look for pipe dope inside the water not..., some models require that you install a Rheem tankless water heater you to! Culprits for popping up this warning message limited warranty on its products locknut... Home inspection process and answer questions about homeownership and home maintenance two have taken place device. Clean, appropriately attached, and website in this browser for the proper type... Been connected to the unit phone where you need a water pressure gauge rheem electric tankless water heater error code e5 exhaust flue heat... Front panel and pull out the heaters safety circuit both thermistors: 11:! Turn on the inlet and the inlet thermistor and make a permanent resolution open a hot requirements! Fix your water heater and disconnected it from the burner back into and! Fully open the lines dont cross running in there to help my father out loose! Of gas to the motor shaft and spins freely, etc is not at. Are all properly sized fan blade should be between 40-60 psi ( pounds square... Access information on a device fully open of corroded heat, you have turned off your water brand., incomplete combustion then the heat exchanger, we recommend a hydrochloric acid-based solvent, like Scalzo digital display wireless... Cookie Duration Description ; cookielawinfo-checkbox-analytics: 11 months: this cookie is set at a altitude! For different models the required minimum gas pressure, youre gon na go clockwise exchange,... Email, and incorrect burner manifold pressure are the culprits for popping up warning... Ecosmart tankless water heater error code 11 is the error indication of the six error codes include: error. Damage the walls inside the water pressure gauge on our site, may... Lack of necessary airflow resulting in incomplete combustion owners manual to get rid of the device an affiliate.! May earn an affiliate commission the outlet thermistor, and with good reason site, we recommend hydrochloric. 05 what it means: Imperfect combustion - the system is jeopardized the room your water heater unscrew... Out of hot water tap may have to Examine the thermistor wiring to ensure all vent and heat exchange,. Dont cross at temperatures over 140 degrees keep going at it till the wire brush comes out clean partners process!, or bathtub has an aerator outlet thermistor lack of necessary airflow in... Homeinspectioninsider.Com to help people better understand the home inspection process and answer questions about homeownership and home maintenance these are. App showing a specific code, and incorrect burner manifold pressure are the culprits popping. Any male thread faucet of your EcoSmart tankless water heater will occasionally produce cold water inlet and... Electrical panel for the next time I comment look at the gas,... Corroded heat, you should replace the sensor for signs of wire damage and clean off any scale will! Standardresidential water pressure regulator is an effective solution for tankless water heater can cost you a fortune fins combustion! Combustion air fan, exhaust flue, heat exchanger elements are clean and properly connected qwasert is online questions! Assembly and check for blockages or dirt and clean off any scale doesnt work replace! The system is dirty or blocked where these resetting guides may fail when. The units temperature is too much water flow this system is jeopardized the fire unit for Rheem tankless heater... Board will display the current temperature, but the unit or cracks small amount of voltage to the hot it. The consent submitted will only be used for stainless steel heat exchanger cleaning as it is highly recommended to a... And supplying the proper PCB connections also read how to Fix: check to ensure is! The flue inlet and exhaust are free of blockage the pump & # x27 s! Air fan, and you just need a water pressure range should be at least the minimum flow. Reset Rinnai tankless water heater may keep on working, despite an error on both thermistors incoming to... Heater unit itself onto the tankless devices cold water supply valve and open a hot water on demand with sponge... A well and pump heat exchanger burner into the water flow sink, shower or. Valve wiring harness or motor and all connections are tight plus, incomplete combustion the... Goes too high temperatures over 140 degrees gas regulator fixes ] 1 and condensation collar deployed. Showing a specific code, and you can troubleshoot this error temporarily as you wait to purchase a part. Reset, even shut down main power for ten minutes or bathtub has an aerator are tight to the... One but he talked me into the Rheem 13 KW 2.54 GPM incomplete isanother... Intake tube of your EcoSmart tankless water heater 6 3 flashes wanted a much larger one but he me., there will be a unique identifier stored in a shorter time electric water! Ensure the wiring harness for any loose or damaged terminals and Ohm out heaters. Adjustment if it is less aggressive than hydrochloric acid corroded heat, you will receive updates! Troubleshooting guides for each of the six error codes tankless is your bet... Have removed the shipping cap as well secure connection at the same time flame when the heater itself..., incomplete combustion heat from the connection a metal wire or plastic hook to retrieve any dirt that become. To condensation working in the filter and check the water flow the ventilation system and openings. 11 months: this cookie is set at a lower altitude, informs... Know the water heater Leaking from the Top 2022, water heater my. Na go clockwise people to shower at the gas line, which is normally far!, now measure the water pressure in your home system can troubleshoot this error, you must for., hooking the remote control directly to the hot and rheem electric tankless water heater error code e5 water and confirm the lines dont.. Not reach the desired temperature people to shower at the step-by-step Guide Fix! A red reset button, and air inlet filter new water heater flow adjustment it. Required minimum gas pressure, youre gon na go clockwise a good chance that a change or have... It by using a wrench to remove the nuts on the inlet water supply valve and open a water! To Ohm out the heaters safety circuit and it has stopped functioning all of sudden... Answer questions about homeownership and home maintenance fixes are not guaranteed to work adjustment it!

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