Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. See the tankless water heater reviews from Water Tech Advice if youre considering a replacement. To reset the water heater, turn off the hot tap water and the unit itself. How to troubleshoot Rheem tankless water heaters by using the service error codes chart. Troubleshooting Tankless Water Heater Error Codes: Rheem Water Heater Technical Bulletins - Rheem Manufacturing Company 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. Tankless water heaters generally last considerably longer than tank-type heaters, as they don't hold corrosive water for prolonged periods. Ensure the airflow is not restricted or blocked. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); How to Reset Rheem Tankless Water Heaters, How Do You Troubleshoot a Rheem Electric Water Heater Rheem Error Codes, 5 Common Paloma Tankless Water Heater Error Codes, Common Electrolux Dryer Codes (E64, E65, E66, EF1, E91), F5E1 Maytag Washer Error Code? As mentioned above, there are several more error codes you can potentially encounter with a Rheem tankless water heater. Compare HSI to other ignition systems. Run the unit and check if the error code persists. If you dont get this reading, you must replace the PCB. Rheem Water Heater Troubleshooting - YouTube Ensure that the vent pipes are connected to the vent termination and that the venting meets various requirements (such as lengths, diameter, the construction material). Copyright. Rheem error codes 80 and 81 indicate a gas cut-off or extinction failure. } The unit should work correctly if the water temperature is displayed in the maintenance information. Heres how to do it: This should allow the device to fully reset itself, and you might find the error code has magically disappeared. If the water control does not receive enough voltage, it may be a faulty PCB, and if it does, a defective water control. This number indicates the you are dealing with. The specific codes might also differ slightly depending on your specific model of Rheem. How to install water heater heat traps quickly and easily? The fan motor should also have the right voltage and may be water damaged due to condensation. All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. However, if it doesnt, you should measure the thermistors resistance, and the thermistor or the PCB may need to be replaced. Tilt down the computer board, which will reveal the blower motor. By displaying a code on your tankless heater, you, or a professional, can read the code to understand what went wrong and how to fix it.
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