Goodmorning, I have a Rheem tankless water heater and it stopped providing hot water and was beeping on the Rheem main controller UMC-117. 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: If nothing happens after resetting the unit and the error code is still visible, do the following: Cause: Limescale deposits in the heat exchanger water flow is reduced, and the temperature increases significantly. If the readings are not right, replace the thermistor; if they are within specs, you may have to replace the PCB. If your Rheem displays an error code 76, confirm the remote control wiring is in good condition and tight. DO NOT alter any other DIP Switch. Rheem error code 99 can mean abnormal combustion caused by a blocked or obstructed fan, heat exchanger, air intake, faulty combustion air sensor, or exhaust venting. The gas control assembly, the main burner, the flame rod electrodes, or the PCB may need to be replaced. If the overheat wrap sensor is not functioning, a defective heat exchanger is a leading culprit to blame. Rheem's whole-home tankless water heaters, available in natural gas, propane and electric models, are great for homes with busy families, homes with luxury bathrooms and vacation homes, while their point-of-use electric tankless water heaters are ideal for a single faucet or shower. Follow the same troubleshooting steps and procedures as in error code 51. When the problem occurs, the error code is displayed on the LCD screen of the remote or user interface, so by understanding the meaning of the code, the troubleshooting gets easier. Rheem error code 33 can occur if scale buildup is on the inlet valve water filter or other thermistors, damaged or bad wiring, and short circuits. Ensure the condensate line is installed correctly and is within specifications. Replace it if necessary. A gas unit either uses natural gas or liquid propane for the ignition. While troubleshooting, Rheem error code 65, confirm the unit receives enough water and all wiring connections are in good working condition and tight. Leave the unit for 2o minutes. Now measure the continuity of connector U between both white wires. Begin with slowing down the flow rate of your water heater. I started HomeInspectionInsider.com to help people better understand the home inspection process and answer questions about homeownership and home maintenance. Use the error code guideline below to identify the problem, or. You may need to replace the thermistor or the PCB. I am glad to help. And lastly, check out the burner manifold pressure. Save my name, email, and website in this browser for the next time I comment. must have a pressure of 10.5 w.c. or 2.6 KP for natural gas and 14 w.c./3.5 kPa for LP gas. If your Rheem tankless water heater displays an error code P1, the minimum water flow rate is insufficient for the main burner ignition. Rheem tankless water heater code 14 is the error indication of an activated overheated film wrap sensor. Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. Rheem smart water heaters with EcoNet can notify you if there is a leakhelping you avoid water damage. Every water heater including Rheem Tankless Water Heater uses natural gas or liquid propane gas as its fuel. What I recommend to you first is to clean the blower motor and its housing. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Why is Your Water Heater Leaking From Overflow Pipe? Cause: The gas shutoff valve is not open completely. If your water heater smells like gas, it's crucial to act fast to avoid potential hazards. Error Code 13 Call the service if none of the steps taken above works. If it is so long to inspect and clean our tankless unit, it is confirmed that it is the reason for this error code. Blow away dirt & dust from the chamber using the compressor. The Rheem error code 14 can be caused by using the wrong type of gas, blocked or obstructed airflow, vent terminals and exhaust vents, and faulty or a damaged heat exchanger. Info about all performed services, including dates. Rheem error code 12 indicates a flame failure. Blocked Water Inlet Filter 3. An overheated heat exchanger causes the film wrap sensor to fail and you will find the error code 14 in the display. Rheem error code 51 indicates a problem with the gas inlet solenoid valve. Check your units troubleshooting manual for more model-specific information. Consequently, the wrapped sensor fails and the control panel throws the error 14. Call the technician. Next, inspect the heat exchanger for any damages. Ensure the condensate flow is free of dirt, debris, and buildups. 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. Insufficient fuel or restricted gas flow, faulty gas solenoid valves, defective igniter wire harness, and a problem with the igniter are some caveats that trigger the error code 11. 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.. Remove the cover panel and set it aside. 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. Founded by Hubert Miles, Certified Master Inspector. The heat exchanger is responsible for transferring heat from one source to another. Then, keep reading till the end. Step 1 and 3 plus b. Head to the electric panel and locate the water heater circuit. 2. Replace the PCB or the gas inlet solenoid valve if needed. Error Code 14 An overheat wrap fault. If you do so, it will cause a combustion issue, heat the water intermittently, and throw the error code 14. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. If there is any wrong, simply change the fuel type. Rheem Tankless Water Heater Code 14 Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. The gas control assembly, the main burner, the flame rod electrodes, or the PCB may need to be replaced. Rheem Tankless Water Heater Code 14: Reasons & Solutions 01. If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. The Rheem error code 14 can be caused by using the wrong type of gas, blocked or obstructed airflow, vent terminals and exhaust vents, and faulty or a damaged heat exchanger. So, stay in tune with us and explore the way of clearing the error code 14. Rheem Tankless Water Heater Error Code 11, 07. Restart the unit and confirm the water control receives enough voltage. Its a plastic film wrap with the black squiggly lines. Before finding out the source of the problem, we recommend you pull out the remote control wiring from the wiring terminal on the PCB. In the troubleshooting manual, Rheem says that error code 29 stands for too low heat exchanger outlet temperature. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. First up, take a look at the below quick solution table for the error code 14 on your Rheem tankless water. Rheem error code 34 indicates a problem with the ambient combustion air thermistor. Replace the bad PCB. This is a complete guide on Rheem Tankless Water Heater Error Codes. Save my name, email, and website in this browser for the next time I comment. All Plumbers are screened, licensed, and insured. 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. 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. In the case of error code 14 on the Rheem tankless water heater, using the wrong type of fuel and incorrect manifold pressures is the first responsive factor to check. Run the unit and check if the error code persists. Reason: Overheat Wrap Fault Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. Blocked Air Intake 5. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! It means the desired water volume is too high that exceeds your desired preset temperature. Stop the water flow, switch the remote control off, and unplug it. If there is no information, the unit should be working correctly. How to troubleshoot Rheem tankless water heaters by using the service error codes chart. Every water heater venting system uses a duct or pipe. You can find data about the water flow in the maintenance information. Press it inwards until it clicks in place and then releases. Basically, it is determined through the manufacturers recommendation. Reset Your Tankless Water Heater FAQs: The heat exchanger is responsible for raising the temperature of your water heater. 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. Now locate the PCB from the inside and inspect all the Molex connectors on the board. Thats all from us here about Rheem tankless water heater code 14. If your Rheem displays an error code 66, confirm the unit receives enough water and all wiring connections are in good working condition and tight. Then, inspect the heat exchanger fins for a clog and release the buildup. Inspect the gas valve wiring harnesses for loose or damaged terminals2. How much does it cost to replace the heat exchange in a tankless water heater? Rheem tankless water heater code 14 is the error indication of an activated overheated film wrap sensor. Let it set at 00 points. Ensure that the altitude is set correctly for your particular needs and the vents meet the necessary size requirements for safe operation and use. Close the hot water tap and turn OFF the remote. More about us. Tankless Electric Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. If it has flipped off, flip it on. Rheem error code 24 indicates a problem with an operational switch. However, there is also another meaning of the error code 29. The LED on the PCB is flashing. Check if the maintenance information displays the hot water outlet temperatures. The neutralizer needs to be replaced soon. If you dont know how to detect the source of the problem, you can read this guide. 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