Rheem 874W27NF - Error Code 79: Fan Motor Current Fault; Error Code 80: Follow Procedure Error Code 51

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TM061 Rheem 27 Water Star Service Instructions – Issued: 11/10
REV A Issued 08/13
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”
Error Code 79
Fan Motor Current fault.
Error Code 79
Is error code 79
redisplayed?
YES
Isolate power, remove the J
connector from the control
PCB and restore power.
Replace the control PCB.
Isolate power, refit the J
connector to the control PCB
and restore power.
NO
Is error code 79
redisplayed?
Refer to Error Code 61
procedures.
Replace the fan assembly.YES
NO
Error Code 80
Follow the same procedure as used in Error Code 51.