How do you fix code 11 on a tankless water heater?

Flame rod

1. Inspect the flame rod and make sure that the wiring look is in good condition and all connections appear secure.
2. Look for any dirt or debris on the flame rod or gasket, and clean if needed. If the parts appear damaged or cracked, they will need to be replaced.

How do you fix code 11 on a Rheem tankless water heater?

Error Code 11

1. First, check that you have gas to the tankless unit and that the valves are fully turned ON.
2. Check that the unit has the proper gas pressure and volume.
3. Check that the gas solenoid valves are in good working order.
4. Check that the igniter is operational and in good working condition.

How do I fix error 11 on my Noritz tankless water heater?

Noritz Error Code 11 After checking to see if the gas is turned on, call a licensed contractor. He or she will make sure your gas valve is open, the exhaust vent is unobstructed and the ignition plug is firmly attached and free of debris.

How do you check a tankless water heater Ignitor?

Testing the igniter Turn the gas supply to the water heater off. Unplug the igniter wire. Use the insulated pliers, hold the igniter wire, and ¼” from a metal part. Run the heater.

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

In some cases, the water heater reset button will repeatedly trip. This is a warning sign of a larger issue such as a faulty thermostat, loose wiring, corroded parts, a grounding problem, or a malfunctioning high limit switch.

How do I clear Noritz error codes?

To reset the Noritz error code: unplug the unit for 30 seconds, then re-connect. Check for blocked exhaust flue. Check for debris in fan motor. Have a professional check the gas supply pressure.

How do I fix error code 11 on Rinnai?

Rinnai fault code 11 – No ignition. Check to make sure the gas is turned on at the water heater, gas meter or tank. Ensure the igniter is operational. If gas is being supplied to the tankless water heater and the igniter is working, call for an evaluation by a qualified plumber.

Why is my tankless water heater not igniting?

My Gas Tankless Water Heater Won’t Ignite Check the gas valve and ensure that it is open, and that you have paid your gas bill. Check all sensors, wiring fuses, and electrical components to ensure they have not burned out. Ensure there is no condensation or debris on the burners that may cause them to not ignite.

Is there a reset button on 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.

Why does my water heater keep turning off?

It’s most commonly a thermostat or heating coil issue, which can be verified with an electrical tester. Another sign a water heater component is going bad is when the unit triggers a shut down every time hot water is called. If the breaker is tripping, an electrician can determine why the unit is shorting out.

Do tankless water heaters need to be drained?

Over time, a tankless water heater may accumulate mineral build up which can erode the walls inside your tank’s heating chamber. To properly maintain and clean your tankless water heater, it’s important to flush those mineral deposits at least once a year.

Is it normal for a tankless water heater to drip?

If your tankless water heater is functioning correctly, it should not be dripping. The only exception is when there is a drip at the relief valve due to mounting pressure within your water heater.

How do I fix Noritz Error Code 12?

This means that the unit is detecting a flame, but the flame is being extinguished during operation (weak flame). It is recommended that you contact a servicer to troubleshoot this error code. Please visit http://support.noritz.com/servicereplocator.php to find a local service representative.

What does a code 11 mean on Rinnai gas heater?

a no ignition or no gas supply
Rinnai Gas Heater fault code 11 indicates a no ignition or no gas supply on your gas heater system.

What are the error codes on a Bosch tankless water heater?

Definitions of Bosch Tankless Water Heater Error Codes Bosh fault code 11 – Indicates a problem with the tankless water heater’s ignition. Bosch fault code 29 – Indicates a possible clog in the unit’s neutralizer. Bosch fault code 90 – Indicates low gas supply pressure.

What are the Rheem tankless water heater error codes?

Definitions of Rheem tankless water heater error codes Rheem fault code 00 – Indicates 1-hour continuous combustion. Rheem fault code 05 – Indicates imperfect combustion. Rheem fault code 10 – This is the false flame detection code. Rheem fault code 11 – No ignition.

What does fault code 11 mean on a tankless water heater?

These tanks are built to last with warranties that exceed many from other manufacturers. When there is a malfunction, an error code will appear on the LCD display. Bosh fault code 11 – Indicates a problem with the tankless water heater’s ignition. Typically, if you receive this fault code, your unit will not work.

What is the Rinnai fault code for a tankless water heater?

Rinnai fault code 11 – No ignition. Check to make sure the gas is turned on at the water heater, gas meter or tank. Ensure the igniter is operational. If gas is being supplied to the tankless water heater and the igniter is working, call for an evaluation by a qualified plumber. Rinnai fault code 16 – Over temperature warning.