Specifications

TM040 16, 18 & 20L Continuous Flow Gas Water Heater Service Instructions
D.O.I: 2/06/2009
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”
34
Error Code 11
Is the resistance of the
GISV and gas solenoid
valves 1 & 2 correct?
TEST 11
Replace proportional gas valveNO
Check gas solenoid valves for
mechanical failure.
Replace if necessary.
Error Code 11
Did the burner ignite?
Is there gas available?
Open gas isolation valve or advise
customer to contact gas provider
NO
YES
Is there any voltage at the
flame sensors?
TEST 7
YES Replace PCB
NO
Is the burner gas pressure
correct?
Adjust the burner pressure
Refer to section on burner
pressure adjustment
NO
YES
Did the igniter spark?
NO
Check:
Combustion chamber for debris
Flame sensor wiring - repair.
Flame rods - replace
YES
Is voltage supplied to the
igniter?
TEST 8
NO Replace PCBNO
Replace ignition module or HV
cable
YES
Is there voltage at GISV and
gas solenoid valves 1 & 2?
TEST 9
YES
Check wiring, if intact replace the
PCB
NO
Is there voltage at the
proportional gas valve?
TEST 10
YES
NO
YES
Display maintenance information
„0y‟ on remote control.
Attempt ignition again.
Does „0y‟ indicate 01, 02 or
03 when a flame is visible?
Clean or replace the main burner.
YES
NO
Is the resistance of the
proportional gas valve
correct?
TEST 12
YES
NO
YES