5
Fault Finding
14
Blue Seal Evolution Series Gas Convection Ranges
© Copyright Moffat Ltd. 21 June 2016
Amendment 13
5.1 Fault Finding Chart
5.1.1 Cooktop
Fault
Possible Cause
Remedy
Main burners will not light.
Wrong size or blocked injectors.
Obstruction in main burner.
Incorrect supply pressure.
Faulty gas control valve.
Replace / clean main injectors.
(Refer Service Section 6.2.2 / 6.3.3).
Clean main burner.
Check supply pressure.
Replace gas control valve.
(Refer Service Section 6.2.5 / 6.3.5).
Main burners go out when control knob
released.
Releasing knob before thermocouple has
heated.
Pilot too small (PF Burners only).
Thermocouple incorrectly positioned.
Thermocouple faulty.
Gas valve magnet faulty.
Hold control knob in for longer (10 secs)
after lighting the burner.
Check gas supply pressure.
Clean or replace pilot injector.
Re-position thermocouple.
Replace thermocouple.
(Refer Service Section 6.2.4 / 6.3.4).
Replace gas valve magnet.
(Refer Service Section 6.3.7).
Low fire rate too high.
Incorrect supply pressure.
Low fire adjustment incorrect.
Check supply pressure.
Adjust low fire rate.
(Refer Service Section 6.6.2).
Burner goes out when set to low position. Incorrect supply pressure.
Low fire rate set too low.
Check / adjust pressure.
Check adjust low fire rate.
(Refer Service Section 6.6.2).
Main burner flame incorrect colour
(yellow / wavy).
Incorrect gas pressure.
Incorrect injector size.
Obstruction in main burner.
Check supply pressure.
Check injector correct size.
Check main burner for obstruction.
Pilot won’t light
(PF fitted burners only).
Gas control knob not being held in.
No gas supply.
Gas pressure too low.
Blocked pilot injector.
Gas control valve faulty.
Hold in gas control knob while lighting
pilot.
Ensure gas is connected and ‘On’ (bottles
are not empty).
Check gas supply pressure.
(Refer Specifications Section).
Clean or replace pilot injector.
(Refer Service Section 6.2.3 / 6.3.6).
Replace gas control valve.
(Refer Service Section 6.2.5 / 6.3.5).
Open Burners without Pilot (-F Models)
A
LL
I
NSTALLATION
AND
S
ERVICE
R
EPAIR
WORK
MUST
BE
CARRIED
OUT
BY
SUITABLY
QUALIFIED
PERSONS
ONLY
.
Warning
Summary of Contents for Evolution Series
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