12
backwards so that burner is clear of the combustion area.
d. Reassemble in reverse order.
Gas Valve
1.
To remove/change/service main gas valve.
a. Undo barrel union on right hand side of gas valve
b. Undo flexible tube to main gas valve from burner manifold.
c. Undo flexible tube from pilot assembly to main gas valve.
d. Undo terminals from thermostat (if fitted) on the main gas valve.
e. Undo thermocouple leading into main gas valve
f.
Remove piezo igniter as described under PIEZO ASSEMBLY 1. a. above
g. Undo mounting screws on the gas valve support bracket.
h. Gently remove main gas valve
i.
Reassemble in reverse order
Table 4: Troubleshooting
FAULT
POSSIBLE CAUSE
CHECKS
Pilot light not igniting
Blockage of pilot
Adjustment of pressure from flame failure
control
Check pilot injector is not blocked as
described in servicing instructions
– pilot
and flame safeguard
Check gas pressure to pilot as described
under servicing instructions
– adjustments
Pilot light not establishing
Positioning of thermocouple
Faulty thermocouple
Faulty flame failure control valve
Check connection of the thermocouple to
the control is not loose.
Adjust positioning of thermocouple to
ensure pilot flame is hitting thermocouple
Contact manufacturer or authorised
service agent
Contact manufacturer or authorised
service agent
Pilot established, main burner
not lighting
Faulty thermocouple
Faulty Thermopile
Faulty flame failure control valve
Contact manufacturer
Contact manufacturer
Contact manufacturer
Telescopic laundry arm
constantly running (on
water/deck cooled wok tables)
Worn tap washer
Change washers in tap assembly.
Contact manufacturer or authorised
service agent
