Rheem 874W27NF User Manual

39
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 65
Water Volume Control Motor fault.
Error Code 65
Isolate power to unit for 10
seconds and restore power.
When motor operates, is the
voltage to the water volume
control motor normal?
TEST 21
Check wiring, if intact replace the
control PCB.
NO
YES
Replace water volume control
assembly.
Is the voltage to the water
volume control motor normal?
TEST 20
Check wiring, if intact replace the
control PCB.
NO
YES
Error Code 66
Water Bypass Control Motor fault.
Error Code 66
Isolate power to unit for 10
seconds and restore power.
When motor operates, is the
voltage to the water bypass
control motor normal?
TEST 23
Check wiring, if intact replace the
control PCB.
NO
YES
Replace water bypass control
assembly.
Is the voltage to the water
bypass control motor normal?
TEST 22
Check wiring, if intact replace the
control PCB.
NO
YES

Rheem 874W27NF Specifications

General

Brand	Rheem
Model	874W27NF
Category	Water Heater
Language	English