Specifications

TM002 Integrity 18 & 20L Service Instructions REV: E
D.O.I: 7/11/2007
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”
29
Fault Diagnosis Sequence (Fault Finding Chart G)
NOTE: The bars are displayed for approx. 10 seconds
1
NO
YES
YES
NO
NO
YES
2
YES
NO
4
NO
No error code is displayed for this fault
YES
YES
NO
NO
YES
NO
YES
3.5
YES
End
NO
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
Ignition retry
Turn on
power to the
water heater
Turn on the
controller
using the ON/
OFF button
Open a
hot tap
Are 2 bars
displayed on the
LED?
Are
controllers
fitted?
Does
the LED in the
ON/OFF button
glow?
Is an
error code being
displayed?
Does the
fan commence
operation?
Is an
error code being
displayed?
Did
the burner
light?
Is an
error code being
displayed?
Close the
hot tap
Is error
code 51 or 80
displayed?
General Fault Finding Chart
G