Other Troubleshooting Tankless Water Heater Error Code Guides, Error Code 00: One Hour of Continuous Combustion, Error Code 05: Imperfect Combustion Alarm, Error Code 13: Flame Rod: Poor or Improper Combustion, Error Code 21: Malfunction of Air Intake Filter Switch, Error Code 29: Temperature is Too Low on the Heat Exchanger, Error Code 35: Improper Thermistor Connection, Error Code 52: Modulating Solenoid Valve Fault, Error Code 66: Water By-Pass Control fault, Error Code 72: Flame Sensing Device fault, Error Code 76: Communication Fault with Remote Control, Error Code 80 and 81: Gas Cut-off Failure / Extinction Failure, Error Code 82: Gas Type Control Data Failure or PCB Data Failure, Error Code 92 and 93: Neutralizer Abnormality, Error Code 99: Fan Motor is not Creating Enough Ventilation, Error Code IL: Scale Buildup Inside the Heat Exchanger, Troubleshooting Tankless Water Heater Error Codes: Rinnai, Troubleshooting Tankless Water Heater Error Codes: Rheem, Troubleshooting Tankless Water Heater Error Codes: Navien, Troubleshooting Tankless Water Heater Error Codes: Noritz, Troubleshooting Titan Tankless Water Heater Problems, Troubleshooting EcoSmart Tankless Water Heater Error Codes, Troubleshooting Tankless Water Heater Error Codes: Bosch. The neutralizer needs to be replaced soon. And guess what, your heater will show this error code when the Overheat Film Wrap senses the heat exchanger and finds it too hot. He has practical skills in fixing smoker & heating appliance issues. Now if any of the Molex connectors get loosened and detached from the PCB, it leads to the wrap sensor failure. Next, you need to remove some wires that come in the way like the blower motor wire, flame rod wire connectors, over wrap film plug, and others. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. Save my name, email, and website in this browser for the next time I comment. Every water heater including Rheem Tankless Water Heater uses natural gas or liquid propane gas as its fuel. Rheem error code 82 means there is a problem with the PCB programming. Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. The resistance of connector R between #Black3 and #Yellow5 wires will be 4K to 10K ohms. If the water doesnt flow, we recommend you increase the flow rate. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! You should also measure the Molex connections resistance. Heat Exchanger Issue 03. All Right Reserved by FIREPLACEHUBS. Step #5: Remove all Molex from the connector. DO NOT alter any other DIP Switch. Reset Your Tankless Water Heater FAQs: * All pros listed are independent dealer-owned . Rheem's tankless hot water heater error code P1 signals an issue with a low flow of water through your heater system, usually due to debris of some kind. Now check for error codes. 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. This neutralizer is specially designed to keep the drain condensate away from the water heater. What I recommend to you first is to clean the blower motor and its housing. Rheem error codes 92 and 93 are typically found on condensing units. But this task requires a lot of elbow grease. You can find more information in the user manual. And the Overheat Film Wrap gets activated if the heat exchanger gets too hot. Below, we will break down each of the culprits that cause the Overheat Film Wrap to get activated. If not, the problem could be caused by the blower motor and the PCB. If it gets broken, cracked, or covered by dirt buildup, it will get too hot and throw the error message 14. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. How do you clear the error code on a Rheem tankless water heater? Simple. Error Code 14 From the bottom of the unit, take out two screws that hold the computer bracket in place. Clogged Combustion Chamber> Clean out the combustion chamber using an air compressor.> Also, blow the dirt from the burner. Increase the flow. . origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared . To troubleshoot Rheem error code 61, check the motors wiring condition and the Molex connections at the PCB. Check the heat exchanger for scale buildup. To fix this issue, you need to slow down the flow rate. After cleaning the inlet filter, run the hot water only in the tap to check. Replace the panel cover. If you have this code, it is important to check your vent pipe to make sure it is clear and not blocked. It will be best to check the manual and use the fuel type recommended by the manufacturer. You may need to replace the thermistor or the PCB. Rheem error code 52 indicates an issue with the proportional gas flow regulator valve (PGFR). Also, inspect the flame rod electrodes and clean them. Available in both indoor and outdoor models, Rheem high-efficiency condensing tankless gas water heaters are loaded with features to help you save money and reduce water waste. Rheem error code 31 indicates a malfunction with the water inlet thermistor. Common symptoms, problems, and fixing tips. Rheem error code 32 means there is a problem with the heat exchanger thermistor. Of course, dont hesitate to replace the blower motor if it gets broken. Overheat Film Wrap is a sensor. If yes, clean the heat exchanger. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. In this case, there are a few things that you need to check. Restart the unit and adjust the high-altitude fuel type chip and DIP switch. Before starting anything, dont miss to turn off the power and gas supply to your water heater. If you find any blockage, run a plumbing snake to get rid of the clog. The complete sensor is wrapped with black squiggly lines. Home | Sitemap | Blog| Privacy | Disclaimer | Contact| About. You may have to replace the PCB if the readings are within specs. Ensure the airflow is not restricted or blocked. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. Rheem tankless water heater will display the error code 14 when the Overheat Film Wrap (a sensor) gets activated. Ensure the flame rod and gas valves wiring are in good working condition, installed correctly, and receive enough voltage. An example of data being processed may be a unique identifier stored in a cookie. To check the remote control, unplug your water heater from electricity and pull out its cover. Ensure all vents are not blocked and in good working condition. Hotwatertalk.com is a participant in the Amazon Services LLC Associates Program and other affiliate advertising programs, designed to provide a means for us to earn fees by linking to the affiliated sites. If needed, replace it with a new one. However, if the resistance seems good, the PCB may need to be replaced. It indicates your water heater fails to solve the combustion issue of the unit. Continue with Recommended Cookies. Rheem Tankless Water Heater Error Code 11, 07. So, follow the troubleshooting steps we mentioned to clear the error message. It helps us diagnose and determine the exact problem with the water heater. Next, inspect the heat exchanger for any damages. * All pros listed are independent dealer-owned . We recommend you check the heat exchanger fins first for blockage. On some Rheem units, error code 29 can indicate a clogged neutralizer. The water temperature on the remote control is set too high. If the waters temperature is too high, this should be indicated in the maintenance information. Enjoy the comfort and convenience of continuous hot water. I've been conducting professional home inspections since 2002. Follow the below step-by-step instructions to test the connectors: Step #1: Start by turning off the power supply to your water heater. If you observe no remaining flame, dont hesitate to check the relay connection of flame rod connector. You need to replace the defective heat exchanger. Then reattach the tube. Corrosion or Scale Deposit On Heat Exchanger FAQs: What are the most common problems with tankless water heaters? Examine the blower motor: Look for blockages or broken parts. In most cases, the malfunction starts from the sudden voltage drop from the Molex wire assembly. Check your units troubleshooting manual for more model-specific information. To avoid this unwanted heater issue, inspect the venting pipe for a clog. Improper Fuel Type 02. Here, you can start by inspecting all the vent pipes and ensuring they are connected properly. Check the water flow servo and the cold water bypass system. Error Code 15 Blow out all the stuck dirt and debris from the top and inside of the burner assembly. Now, you may ask- how can I understand whether the solenoid valves function correctly or not? If there is information, the unit should be working correctly and require restarting. Rheem error code 21 means the air intake filter is not working correctly. Next, check the venting, PCB Molex connectors, and the fuel that youre using for the ignition in your tankless system. You may need to replace the thermistor or the PCB. The voltage should be 8 to 16 VDC. Resetting your tankless water heater will help you clear the error code from the control panel. If your Rheem tankless water heater shows an error code 00, try restarting it. Make sure to check all four sensors. Also, the exhaust vents should be free from any hard objects. Run the unit and check if the error code persists. Rheem error code IL indicates a possible scale buildup in the heat exchanger. Replacing the control board is the only solution to fix this water heater issue. Rheem error code is found on indoor units only and can be caused by a dirty air filter door or improperly installed and seated air filter door or front panel. First off, make sure there is enough fuel in your gas tank. Afterward, measure the voltage of the wiring between the water control and the connector B. Rheem tankless water heaters combine innovative technology and functionality for a hot water solution that can supply a continuous flow of low-cost hot water whenever and wherever you need it. Start with inspecting the remote control. Replace the PCB or the gas inlet solenoid valve if needed. Exhaust Venting Gets Clogged 04. Am I right? Then, simply reset the circuit breaker unit and the power cord. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. Ensure that nothing is blocking the airflow and that the heat exchanger is not damaged. If you dont know how to detect the source of the problem, you can read this guide. You may need to replace the thermistor or the PCB. You should do a flushing service every two to three years to remove carbon buildup and keep the hot water flowing. If there is no information, check the inlet thermistors resistance readings and replace the thermistor if they are not good. 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.. BRAND NEW, NEVER USED. So, in this step, you need to check the resistance of the Molex connectors. A temperature of 32F indicates a thermistor that does not make a good connection, and 199F indicates a direct short. If youre wondering how to do it, take a look at our dedicated guide to learn the detailed procedures. If this sensor senses that the heat exchanger of your water heater gets overheated, it will pop up this error message. Stop the water flow, switch the remote control off, and unplug it. Rheem Tankless Water Heater Error Codes C7, 03. Cause: The water heater and its burner doesn't get enough gas. Rheem error code 66 indicates a problem with the water bypass control. If necessary, replace the remote control, remote control wiring, or the PCB. Still, if you want to know more, do let us know through comments. Check the vertical and horizontal vent lengths and ensure they meet the standards for safe operation. Self-modulating power control. If its incorrect, you should adjust it. The Solution Option 1 Unblock heat exchanger: Clear the heat exchanger of any blockages. If there is no information, the unit should be working correctly. A temperature of 32F means the thermistor that does not make a good connection, and 199F means a direct short. What Is Error Code 14 On Rheem Tankless Water Heater? If the remote works, the problem is with the cable, and if it doesnt, with the remote control itself. Then, reset the Rheem tankless water heater again. It will be better if you install the heat tape close to the exit to the main drain to get the best output. Our comprehensive Rheem Water Heater Troubleshooting guide will explain common is. Its a plastic film wrap with the black squiggly lines. Remove electrical connection box (single screw on outside left). Disconnect the remote control, switch the unit on, and open a hot water tap to start it.