Rheem II Series - Fault Finding Chart 1

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”
39
Fault Finding Chart 1
Voltages up to 240 volts will be present within the water heater, take care
not to touch wiring terminals. Use an insulated tool when operating the DIP
switch or MIN and MAX buttons.
Power Supply
NO
No power supply. Check household
wiring.
YES
Test 1
Cordset open circuit? - replace.
Inline fuses open circuit – replace.
Internal wiring from terminal block
open circuit – repair.
NO
YES
Remote controller cable open
circuit – repair / replace.
Remote controller failed – replace.
YES
PCB failed – replace.NO
1
Turn DIP switch 1 on.
Is 240 volts AC present
at the power point?
Is 240 volts AC present
at the PCB?
Is OK monitor
display ON?
(1E displayed?)
Test 18