Resetting your tankless water heater will help you clear the error code from the control panel. Next, access maintenance information to determine the flow rate. If the unit starts, the problem is either with the remote control or wiring. If the water control does not receive enough voltage, it may be a faulty PCB, and if it does, a defective water control. Inspect the condition of the flame rod and blower motor, the air intake, and exhaust vents. Rheem Tankless Water Heater Code 11: The Reasons & Solutions 01. Ensure its installed correctly and measure its resistance. Below, we will show you how to fix those issues to clear away the error message. You could ohm out all the solenoid valves, inspect the flame rods for the correct voltage, or even replace the gas control valve altogether. You may need to replace the thermistor or the PCB. Ensure you eliminate every obstruction from the vent termination of the building and the flapper valve. However, if there is no information, measure the resistance to the heat exchanger thermistor. This is relatively simple and can just mean shutting off all your hot water faucets. After you see a code on a tankless water heater, a common first step is to reset the device. The wiring for the flame rod may also be damaged, and the flame rod needs to have sufficient voltage. Its about a year old and - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. If the error code persists, contact a licensed technician. You may need to replace the thermistor or the PCB. Ensure the flame rod wiring is correct and clean. Rheem Tankless Water Heater Code 76 [How To Fix] - Lil Dutch Uncle Remember that depending on your altitude, or for every 3,280 feet, a different programming chip is used, and indoor and outdoor models use different chips. Reason: Air Intake Filter Switch Malfunction. Tankless water heaters generally last considerably longer than tank-type heaters, as they don't hold corrosive water for prolonged periods. You can find a full list of error codes here. During troubleshooting the error code 31, check the water temperature according to the maintenance information isa temperature of 32F indicates a thermistor that is not making a good connection, and 199F indicates a direct short. If the resistance is not according to specifications, it should be replaced. Pipe dope may also cause a blockage inside the water flow control turbine. We have an in-depth guide on Rheem Tankless Water Heater error code 13 where we broke down the way of adjusting burner manifold pressure. Rheem error code 52 can be caused by loose or damaged wiring or terminals. Reset the unit using the Min/Max switches on the PCB. Secondly, inspect the exhaust vent or air intake pipe for a clog. Unless you have an in-depth knowledge of water heaters, youre best to not risk making the situation worse. I've been conducting professional home inspections since 2002. If the water doesnt flow, we recommend you increase the flow rate. Resetting a Rheem Tankless Water Heater: Ultimate Guide, Candy Tumble Dryer Keeps Stopping: Troubleshooting Tips, Loc Error Code on Hoover Dryer: Troubleshooting Guide, [Fixed] Rheem Tankless Water Heater Code 12, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? Similarly to error code 51, you may want to check that the terminals on the gas solenoid valve wiring harness are not loose or damaged. Lastly, ensure the igniter wire harness is intact. Rheem Error Codes - How to Read and What to Do Rheem error code 79 means there is a problem with the current of the fan motor. The Rheem error code 31 can be caused by scale buildup on the inlet water supply filter or any thermistors, damaged or bad wiring, and short circuits. Tankless Electric Water Heaters for your Home - Rheem - Rheem Check the igniter itself to ensure it is working, including how it was wired to the device. Ensure all parts are in good working condition, clean, and not blocked by a foreign object. Yes, your water heater will occasionally produce cold water in addition to the hot water it normally produces. Here is a list of common error codes for Rheem tankless residential water heaters. There may also be loose or damaged connections attributed to the motor wiring harness that could be the true cause of the error code. Error code 65 may necessitate calling out a specialist yet you can check for a fault yourself. Ensure the programming chip is suitable for your Rheem model, and the altitude at which the unit is used. But this task requires a lot of elbow grease. Rheem error code 10 means a false flame has been detected. If the readings are looking good, the PCB may be at fault. You can also check that the ohms are correct though your sensor may need to be replaced. You can find data about the water flow in the maintenance information. Rheem Tankless Water Heater Error Code 29, 11. Why is my Rheem tankless water heater beeping? There are different reasons for why the water would flow through the water heater, but nothing actually occurs, specifically, that the water is not heated. The water heater will trigger the error code E5 if there is too much water flow. LPG users check Propane bottle level. You can also refer to your models user manual. Replace the PCB or fan if necessary. Cause: The blockage in the air supply pipe, exhaust vent, or connection/termination is loose or not correctly done. See if there is anything blocking the air vent on the device. If the code persists, call a licensed contractor. So, I highly recommend you to call a professional to handle this. Reason: Too High Outlet Water Temperature. Save my name, email, and website in this browser for the next time I comment. How to Re-Light Your Rheem Tankless Water Heater. Also, we broke down the troubleshooting steps to clear the message. How to use a diagnostic system to repair a faulty heater. After another 20 seconds, switch the remote control on and the water supply too. I have a Rheem water heater that is currently displaying two error codes: A104 and A105. You could try to inspect the heat exchanger thermistor or flush the unit and remove any build-up of limescale (see also What Is Limescale? ). How To Fix Rheem Tankless Water Heater Code 11 - Lil Dutch Uncle Below, well explain how to read codes on your gas heater and what you should do to rectify the situation. When the ODS gets activated, your tankless water heater will trigger the error code 13. There may be a fundamental issue with your control board that it is not programmed properly or that the wrong gas type has been entered. See our list of the best electric tankless water heaters. Cause: Most of the time, the water heater doesn't start because the hot water tap is not fully open, so the water flow is low. Of course, the internet is likely your go-to resource for any current information relating to your Rheem tankless water heater. It means the desired water volume is too high that exceeds your desired preset temperature. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. If you cant find a screen displaying the error code, consult a professional. You may also want to ensure that the altitude settings are correct for your location. Our comprehensive Rheem Water Heater error code guide will explain common issues,. Rheem error code 34 can be caused by scale buildup on the ambient combustion air sensor, blocked vent terminals, fan blades, airflow, damaged or bad wiring, and short circuits. Troubleshooting error code 51 involves turning the unit off and on two times at 10-second intervals and inspecting the view window for any signs of a remaining flame. However, the error code helps you troubleshoot the problem when scale buildup or malfunctions occur. Worked yesterday. While troubleshooting, Rheem error code 65, confirm the unit receives enough water and all wiring connections are in good working condition and tight. It will be best to check the manual and use the fuel type recommended by the manufacturer. There may also be blockages in the heat exchanger which should be removed. Then, reset the Rheem tankless water heater again. The red flashing light on Rheem tankless water heaters means that the heater has reached a lockout status and requires immediate repair. Heres what you can do: Code 12 signifies that the water heater does not detect a flame. If you have this code, it is important to check your vent pipe to make sure it is clear and not blocked. This may be that the water control valve has the incorrect voltage or that there are loose/damaged connections on the water control valves wiring harness. Receiving error code 61 -Faulty Blower Motor. When that happens, all you need to do is know what each error code means so that you can take the appropriate steps to rectify the situation. This code indicates that the unit is in standby mode and is not providing hot water. You might be able to fix the issue by pressing a single button, or you might need to call for professional help. The PCB may need to be replaced if the sensor is working properly. The most typical problem with a water heater tends to be a water leak which can be common due to how many components come in contact with water. Save my name, email, and website in this browser for the next time I comment. 90% of the time, this troubleshooting step will help to eliminate the warning message from the control panel. The thermistor should also be free of any limescale build-up and may require a clean. For this reason, you are best to check the owners manual for your device for an accurate, up-to-date list of codes. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. Rheem error code 82 means there is a problem with the PCB programming. If it does, the unit should be working properly and restarting. Locate the thermostat dial. Common symptoms, problems, and fixing tips. The Best Portable Tankless Water Heaters (On-The-Go Hot Water), The Best Condensing Water Heaters (Go Environment-Friendly), 5 Best Hot Water Recirculation Pumps of 2023, Best Tankless Water Heater Flush Kits of 2023. Follow the same troubleshooting steps and procedures as in error code 51. Each refers to a technical component of the tankless water heater and a specific description of the issue. Remove the access cover on the heater's side by unscrewing the screws. Whichever issue it is, your unit will likely still be operating and you can solve the error yourself. Every Rheem tankless water heater, either non-condensing or condensing, utilizes the computer board to monitor the heating process, adjust the parameters, and help troubleshoot the potential problems. Join our exclusive 2,500+ email list to get tailored advice, product roundups, and be the first to see our new content. Performing regular maintenance on your Rheem tankless water heater should prevent error code 1L from occurring. Get FREE quotes from licensed Plumbers in your area today. (function() { it comes to homes, an issue that frequently arises is that the unit that is installed is not of the appropriate size for the households requirements. The heater might also make a noise to alert you to any issues. Clogged condensate neutralizer. 12. Afterward, take out these two screws from the top of the computer board. If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. What Are The Signs To Look Out For In A Failing Water Heater? I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. Check the number 11 where I break down the error code 61. Have a different tankless water heater brand that needs troubleshooting? You may want to do a service call though you can check the wiring on the remote control yourself, specifically for any loose or damaged connections. Most of the time, when troubleshooting a Rheem tankless water heater, you will have to reset it. Rheem error code 15 means the heat exchanger is overheating. Check the flame rod itself to see whether there are defects. Increase the temperature on the remote if it is set too low. I have noticed that this problem occurs when the flame rods are dirty and needs to be cleaned. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. Run the unit and check if the error code persists. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. Rheem error code 14 means the overheat film wrap has been activated, usually caused by a hot spot. Switch off the unit from the control panel. The above list of Rheem tankless error codes might help you troubleshoot the problem successfully, but if you cannot solve it, you cannot find the code here, or it is hard to fix the unit, I would recommend calling a professional. It helps us diagnose and determine the exact problem with the water heater. 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. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. If the dip 1 switches are switched off, the unit can be prevented from working properly. And lastly, check out the burner manifold pressure. Call the service if none of the steps taken above works. 3 Common Causes (and How To, Troubleshooting Electrolux Dishwasher Error Codes, 5 Common Problems with Camplux Water Heaters. There could be another issue with the heating elements. Just turn off the water supply valve to slow down the flow. While you could continue to reset it every time, the best solution is to either replace it with a larger water heater or install a second one. If you observe no remaining flame, dont hesitate to check the relay connection of flame rod connector. Each tankless water heater has a unique flow rate that it operates. Locate the reset button inside the control panel. Next, check the resistance of the heat exchanger thermistor. Next, inspect the ODS thermocouple to see whether it functions properly or not. If you have a Rheem tankless water heater, you may have noticed a code 11 on the display. These issues can include water leaks, that it runs out of hot water quickly, and suffers from an inconsistent water temperature. Checking the main burner and cleaning it will also worth it. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute.