Clear Noritz Error Code 78

If you own a Noritz tankless water heater, you may come across various error codes from time to time. One such code is Error Code 78. This article will guide you on how to clear Error Code 78 on your Noritz water heater.

What is Error Code 78?

Error Code 78 on a Noritz water heater indicates an issue with the flame rod. The flame rod is responsible for detecting if the burner flame has ignited properly. When this error code appears, it means that the flame rod is not detecting a flame, or the signal is weak, leading the heater to shut down automatically.

Steps to Clear Error Code 78

Follow these steps to clear Error Code 78 on your Noritz water heater:

1. Turn off the power to the water heater by switching off the appropriate circuit breaker.
2. Locate the ignition coil located near the burner assembly.
3. Remove the snap-on electrode assembly that is connected to the ignition coil.
4. Inspect the ignition coil and electrode assembly for any corrosion, dirt, or debris.
5. Clean the ignition coil and electrode assembly using a soft brush or cloth. Make sure to remove any built-up dirt or debris.
6. Reattach the electrode assembly to the ignition coil.
7. Turn on the power to the water heater by switching on the circuit breaker.
8. Reset the error code by pressing the reset button or turning the power off and then on again.

When to Seek Professional Help

If you have followed the above steps and the Error Code 78 persists, it is recommended to contact a professional technician or Noritz customer service. They will have the expertise to diagnose and resolve the issue effectively.

Conclusion

Error Code 78 on your Noritz water heater can be cleared by following the steps mentioned above. However, if the problem persists, it is advisable to seek professional assistance. Regular maintenance and cleaning of your water heater can help prevent such error codes in the future.