How do you fix a Rheem tankless water heater Code 11?

Rheem fault code 11 – No ignition. Check to make sure there is gas to the unit and that the pressure is correct. Ensure the ignitor is operational before calling for service.

What does E5 code mean on Rheem tankless water heater?

Answer: Rheem RETEX-27 E5 Error code, High Flow Rate. If the LED control board is displaying an E5 error code, the desired volume of water is too high to reach your desired preset temperature and you will need to slow down the Flow rate if needed .

What does P1 mean on my tankless water heater?

water flow is too low
An Error Code P1 indicates that the water flow is too low. Check and clean the water inlet filter on the tankless unit. Increase the flow rate or adjust the temperature higher.

How do I reset my Rheem error code?

Your Rheem water heater has an electronic diagnostic system built directly into it. When your water heater finds a problem, it displays an error code in the LED display on the remote control or the front panel….

1. Press max button on PCB to reset.
2. Press min button on PCB to reset.
3. Replace PCB.

What is a code 11 on a tankless water heater?

An error code 11 on a Rinnai tankless water heater can appear due to an issue with the ignitor, gas supply, flame rod, venting, excess moisture, and more. Finding the exact cause is important to apply the right solution and get your water heater running again.

Why do I have to keep resetting my tankless water heater?

When your thermostat stops working correctly, it can fail to regulate the temperature in your electric water heater properly. This, in turn, will cause your water to heat up to dangerous levels, which will cause the reset switch to trip.

What is a code 13 on a Rheem tankless water heater?

Error code 13 is incoming air supply or outgoing vent. This applies to gas water heaters. As air enters the combustion chamber, the sensor reads that air quality is sufficient for combustion. If incoming air or outgoing vent are not correct, then tankless sensors shut down the burner.

What does E4 mean on Rheem tankless water heater?

water temperature sensor
An E4 error code indicates that you have an issue with your water temperature sensor. This is the sensor that allows your water heater to display the current temperature of the water inside of it. This error code will typically be permanently displayed and your water heater will not run.

What does code 13 mean on Rheem tankless water heater?

What does E4 mean on a Rheem tankless water heater?

Where is Rheem error code?

The error code is displayed on the LED display panel on the front of your continuous flow water heater.