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
32
Fault Finding Chart 2
System Not Ready
Is error
code 14
displayed?
YES
Replace over temperature limiter
and check for damage in the
combustion chamber. Check and
reset minimum and maximum
burner pressures if required.
NO
Overheating
NO
Test 5
Is error
code 71
displayed?
Solenoid valve
malfunction
Replace the PCB assembly.YES
Is error
code 76
displayed?
NO
Is the remote
controller cable open
circuit?
Replace the remote controller
cable.
YES
Check power point is properly
earthed. Check cord set earth
wire for continuity.
NO
Communication
failure
Is error
code 79
displayed?
NO
Fan detecting
circuit failure
YES Test 6
Is error
code 79
redisplayed?
*Refit K
connector and
restore power.
NO
* WARNING
Disconnect power prior
to removing or inserting
connector plugs
Is error
code 79
redisplayed?
Replace the fan motor.YES
Error code due to supply voltage
drop.
NO
Replace the PCB assembly.
YES
Is error
code 82
displayed?
NO
Remove and
reinsert the gas
type connector.
YES
Is error
code 82
redisplayed?
Gas type connector was originally
not inserted correctly.
Faulty gas type connector -
replace.
YES
NO
Gas type
connector
malfunction
2
Is the
resistance of the
over temp limiter
normal?
YES
*Remove the K
connector from
the fan motor and
restore power