Specifications

TM031 Integrity 18, 20, 24, 26L Service Instructions REV: B
D.O.I: February 2008
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”
33
Fault Diagnosis Sequence (Fault Finding Chart G)
Turn on the
controller using the
ON/OFF button
LED
in ON/OFF
indicator
glows?
1
Error Code is
displayed?
2
YES
Open a hot water tap
Did
the burner
light?
3
Fan
commences
operation?
4
NO No error code is displayed for this fault
Close the hot water tap
Error Code is
diplayed?
End
5
YES
NO
If the water heater operated normally, follow procedures 2, 3 or 5
depending on the previous error codes displayed in the maintenance
history accessed from the PCB
NOTE:
If the power has been disconnected from the
water heater wait 30seconds from power restoration
before commencing this procedure.
Error
Code is
displayed?
YES
YES
NO
Error Code is
displayed?
YES
Did
ignition spark
commence?
YES
NO
NO
NO
Turn on power to the
water heater
YES
NO
Are
controllers
fitted?
NO
NO
YES
Are
2 bars
displayed in the
LED?
NO
YES
Note: Bars are displayed for approx 10 seconds
If the water heater operated normally, follow flow charts 2, 3 or 5 depending
on the previous error codes displayed in the maintenance history accessed
from the PCB
3.5