Fault Finding Chart 3.1 - Rheem 871018 Service Instructions Manual

Fault Finding Chart 3.1

3.1
False flame detection
malfunction
Is error
code 72
displayed?
NO
Ignition failure
or cross light
failure
Is error
code 11
displayed?
NO
3.3
TM031 Integrity 18, 20, 24, 26L Service Instructions REV: B
D.O.I: February 2008
This document is stored and maintained electronically by
Is flame
detection signal in
YES
maintenance information
Did
YES the burner
ignite?
NO
Did
the igniter
spark?
NO
Is
voltage supplied to
the igniter?
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled"
Test 11
NO
00?
YES
YES
Test 12
Is
there any voltage
at the flame
sensors?
YES
Test 13
NO
YES
40
Replace the PCB assembly.
Clean or replace the combustion
chamber front panel assembly.
NO Replace the PCB assembly.
YES
3.2
Replace the PCB assembly.
Replace the igniter assembly,
electrode or cable.