Rheem Tankless Water Heater Error Code 11. Reset your rheem water heater ( press the ‘min’ and ‘max’ buttons on the control board). Rinnai error code 11 is an indication that there is no ignition in, or no gas supply to, your hot water system.

Here is the summary of what can go wrong with your rinnai water heater and what to look for after the error code 11 shows up on the remote controller. All solenoids are getting power and show correct resistances according to service manual. Check out for possible causes that generate the error code 11 on the digital display of the heater, and explore potential solutions.

Paloma Tankless Water Heater Troubleshooting. Check for pipe dope inside water flow control turbine. Selecting the right tankless water heater size is the most important factor and directly correlates with the water flow and power.

Locate the clear plastic wire harness (fuse circuit) and wiggle it out of the magnetic valve. How to troubleshoot a paloma tankless water heater water is not hot. If you are the owner of a smart tankless water heater from rinnai, noritz, paloma, bosch, takagi or similar, this troubleshooting guide is for you.