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Revision 4/F3576 © Moffat Ltd, December 2004
FAULT POSSIBLE CAUSE REMEDY
BURNER DOES NOT BURN
CORRECTLY (ROARS /
LIGHTS BACK /INCORRECT
COLOUR)
Incorrect supply pressure.
Burner aeration incorrect.
Incorrect size or blocked
injector.
Burner faulty.
Check supply pressure.
Adjust burner aeration slide.
(Refer service section 6.4.3)
Check injector size and clean or
replace if necessary.
(Refer service section 6.3.16)
Replace burner.
(Refer service section 6.3.15)
PILOT FLAME YELLOW /
LAZY
Gas pressure incorrect.
Restriction in pilot injector or
aeration.
Check gas supply pressure.
(Refer specifications section)
Clean or replace as required.
(Refer service section 6.3.14)
PILOT GOES OUT WHEN
MAIN BURNER COMES ON
Incorrect gas pressure. Check supply / adjust pressure.
(Refer specifications section)
FAN DOESN’T OPERATE Thermostat not on.
(Fan only operates when the
thermostat is on).
Door not closed.
(Fan only operates when the
door is closed).
Door microswitch out of
adjustment.
(Refer fault diagnosis 6.1.3)
Door microswitch faulty.
(Refer fault diagnosis 6.1.3)
Thermostat fan switch faulty.
(Refer fault diagnosis 6.1.3)
Fan motor faulty.
(Refer fault diagnosis 6.1.3)
Wiring.
Turn thermostat on.
Close door.
Adjust microswitch.
(Refer service section 6.4.7)
Replace microswitch.
(Refer service section 6.3.22
Replace thermostat.
(Refer service section 6.3.5)
Replace.
(Refer service section 6.3.11)
Check and tighten any loose
wiring.
OVEN LIGHT NOT
ILLUMINATING
Blown bulb.
Light switch faulty.
(Refer fault diagnosis 6.1.4)
Replace.
(Refer service section 6.3.10)
Replace.
(Refer service section 6.3.2)