How do you reset the code on a Rheem tankless water heater?

Most of the time, error codes are easy to reset by simply turning off the hot water flow. It’s also necessary that you turn the controller (if that’s the case) off and on afterward. You may also have to isolate and restore power.

How do you fix code 29 on a Rheem tankless water heater?

There may also be restricted air flow around the unit. Call for service. Rheem fault code 29 – This code indicates that the heat exchanger outlet temperature is too low. By cleaning the heat exchanger air inlet, the problem is typically resolved.

How do you fix the P1 code on a Rheem tankless water heater?

Error Code P1

1. Check your hot water tap flow. The aerators may need to be cleaned.
2. Check and clean the water inlet filter on the tankless unit.
3. Increase the flow rate or adjust the temperature higher.
4. If the above issues are not the problem, there may be a problem with the water flow sensor.

How do you fix code 13 on a Rheem tankless water heater?

Error Code 13

1. Check that the air intake and exhaust venting is correctly installed and in good working order.
2. Inspect and remove any blockage from the venting and where the vent terminates outside.
3. Check and verify that the altitude settings reflect your location.
4. Check the Flame Rod FL-24.
5. Check the Blower Motor.

Does a Rheem tankless water heater have a reset button?

The water heater reset button is the red button located on the water heater itself (just above the thermostat).

Is there an error code on my Rheem water heater?

Below are some of the most common Rheem error codes and what they mean. Rheem tankless water heater troubleshooting doesn’t have to be a difficult thing. That said, there are some errors you can easily fix yourself and some which should be left to a qualified service technician.

What does error code 12 on Rheem tankless mean?

Error Code 12 What it Means: Flame failure: The heater can’t maintain a flame. How to Fix: Check for proper grounding and that the device is receiving gas of the right type and pressure.Examine the flame rod to ensure it’s connected and has no carbon buildup. Disconnect the remote control, PC board, and all wiring harnesses, then reconnect.

What should I do if my Rheem tankless unit is not heating?

Flow rate or maintenance error: When water flows through the unit, nothing happens. The control board will display the temperature, but the unit isn’t heating any water. Adjust flow or temperature: Try to increase either the flow rate or the temperature. No crossings: Make sure that the cold and hot water lines don’t cross.

What does the Rheem error code 65 mean?

Rheem error code 65 means there is a problem with the water volume control. While troubleshooting, Rheem error code 65, confirm the unit receives enough water and all wiring connections are in good working condition and tight. Replace the water control assembly or the PCB if necessary.

What are some common problems with a Rheem water heater?

Rheem Water Heaters – Common Issues No Hot Water. A tripped circuit breaker will shut down an electric heater and gas models that use electricity. Not Enough Hot Water. If the water heater is new, or if you’ve just moved into a new home and aren’t familiar with the water heater’s capability, it’s likely that There’s Water on the Floor.

How good is Rheem water heaters?

Rheem is a good , mid-level water heater brand that’s not too expensive. Its reputation for manufacturing durable, reliable water heaters makes it a good choice for most homes. The company sells water heater models in gas, electric, tankless, solar and hybrid styles.

Are Rheem gas water heaters good quality?

Rheem is a good , mid-level water heater brand that’s not too costly. Its reputation for manufacturing durable, reliable water heaters makes it a good choice for most homes. Overall, AO Smith is probably the better choice for gas water heaters, but only by a fraction. You should still be well served by Rheem if you take care of it regularly.