Error Code 79 indicates a “Fan Motor Current Detection Failure” on your Rheem Continuous Flow Water Heater. This fault suggests the combustion fan motor is experiencing issues, preventing proper airflow and safe operation.
Immediately turn off electrical power at the isolation switch and close all hot water taps. Fan motor faults involve critical internal components necessary for safe combustion. Therefore, professional inspection and repairs are required. Contact Hilton Plumbing promptly to address this issue safely.
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