What does a code 12 mean on a Rinnai tankless water heater?

flame failure
If you’re getting Rinnai error code 12 on your hot water unit, it indicates that a flame failure has occurred on the system. Incorrect gas pressure supply your hot water unit. Loose gas connections and fittings. Incorrect venting material installed for your specific unit.

What is code 12 on a tankless water heater?

Error Code 12 relates to flame failure which is when the heater can’t maintain a flame. You should check that the system is receiving gas that’s the right pressure and type. Also, check for carbon buildup in the flame rod and bleed excess air from the gas lines.

What does an error code 11 mean on a tankless water heater?

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. Before calling a licensed plumber, check to make sure your gas valve is open and supplying gas to the unit.

What does code 11 mean on a Rheem water heater?

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. Rheem fault code 16 – This is an over temperature warning which could indicate a possible clogged heat exchanger.

What does code P1 mean on Rheem tankless water heater?

Water Flow Too Low An Error Code P1 indicates that the water flow is too low. Check your hot water tap flow. The aerators may need to be cleaned. Check and clean the water inlet filter on the tankless unit. Increase the flow rate or adjust the temperature higher. What is a code 11 on a Rinnai tankless water heater?

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.

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. Rheem fault code 16 – This is an over temperature warning which could indicate a possible clogged heat exchanger.

Water Flow Too Low An Error Code P1 indicates that the water flow is too low. Check your hot water tap flow. The aerators may need to be cleaned. Check and clean the water inlet filter on the tankless unit. Increase the flow rate or adjust the temperature higher. What is a code 11 on a Rinnai tankless water heater?

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. Before calling a licensed plumber, check to make sure your gas valve is open and supplying gas to the unit.

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.