Troubleshooting
If a fault occurs with your Rinnai, an error code will flash on the digital display of the controller or control panel. This will assist you with diagnosing the fault, and may enable you to overcome a problem without a service call.
WARNING: Some of the checks below may need to be done by a qualified service technician. Call a service technician for any remedy that involves gas or electricity, or if you have any doubt or reservation about performing the remedy yourself. Please identify the error code displayed when inquiring about service.