Noritz Error Code 11 This indicates ignition failure in your tankless water heater. It means that your unit is not firing up to heat the water, a situation that can be caused by insufficient gas supply, insufficient airflow or debris on the ignition plug.Nov 16, 2015
How do I fix Error 11 on Rinnai gas heater?
- Usually indicates a no ignition or no gas supply on your gas system.
- Make sure your gas supply is turned on.
- Check the filters grills are clean.
- Make sure the heater is plugged in,
- Switch off the power for at least 5 seconds then switch it back on.
How do you clear a code on a Rheem tankless water heater?
Shut off the water and disconnect the remote control. Then reattempt. Double check that the tankless is properly grounded. Reset by pressing the MIN and MAX button on the control board (PCB).
What is code 11 on hot water heater?
Rinnai error code 11 is an indication that there is no ignition in, or no gas supply to your hot water system. ... Check your hot water system for any visible damage or loose parts. Locate your gas supply and ensure it is turned on. Test your gas supply by turning on a gas appliance, such as a stove-top.
How do I reset my tankless water heater?
The red button on the water heater is where the reset button is located. There are two buttons for each thermostat in some water heaters. The metal plate that holds the thermostat in place may have to be removed to access the reset button.
What are the electrical requirements for a tankless water heater?
Most tankless gas water heaters require a 15 ampere or 20-ampere 120-volt circuit to power the electric pilot light and the control board. The National Electrical Code requires instantaneous water heaters to have circuits not exceeding 120 amperes and protected at not more than 150 amperes.Aug 4, 2021