Fault Finding Chart 5 - Rheem II Series Service Instructions Manual

Fault Finding Chart 5

5
Turn on power to the water
heater
Turn on the bath fill switch
*Are the relevant
controller indicators on?
*Bath fill operating light
YES
Can bath fill volume be
changed using the bath
fill ▲or ▼ buttons?
YES
Can bath fill temperature
be changed using the
bath fill temp ▲ or ▼
buttons?
YES
Open a hot tap.
Does
the heater operate?
YES
Does water flow cease
when volume delivered =
volume set?
YES
Do the controller
indicators act
accordingly?
YES
Turn hot tap off.
TM090 12-26 Series II CFGWH Service Instructions
REV AB – Issued February 2019
This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed "uncontrolled"
Bath fill function – Deluxe controllers only
Turn on the controller using
the ON/OFF button
YES
Bath fill water volume display
Water temperature display
Does the Integrity display
NO error code 65 after an 45
sec. delay?
YES
Is voltage present at the
water flow servo motor?
NO
Is the water flow servo
motor at OFF position?
Bath fill operating light flashing
Bath fill water volume display OFF
Water temperature display OFF
Does the bath fill
operating light go out?
Does the LED in the ON/
OFF button glow?
NO
NO
NO
NO
NO
Test 15 A
Test 15 B
YES
NO
NO
NO
YES
G
NO
Replace controller.
Replace controller. If fault persists
replace the PCB assembly.
YES
Replace the PCB assembly.
Replace the water body assembly.
Replace controller.
Normal operation.
47