Service manual

5
Trouble-shooting
15
© Moffat Ltd, January 2007
Revision 1/
Blue Seal Evolution Series Gas Griddles
ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY
QUALIFIED PERSONS ONLY.
WARNING:
5.1 Trouble Shooting Chart
Fault Possible cause Remedy
Pilot won’t light Gas control knob not being held
in.
No gas supply.
Gas pressure too low.
Blocked pilot injector.
Gas control faulty.
Hold in button while lighting pilot.
Ensure gas is connected and on
(bottles not empty).
Check gas supply pressure.
(Refer specifications section)
Clean or replace pilot injector.
(Refer service section 6.2.8)
Replace.
(Refer service section 6.2.12)
Pilot flame small / lazy / yellow. Gas pressure too low.
Blocked / incorrect size pilot
injector.
Check gas supply pressure.
(Refer specifications section)
Clean or replace pilot injector.
(Refer service section 6.2.8)
Pilot goes out when knob
released.
Releasing knob before the
thermocouple is heated.
Pilot flame too small.
(Refer fault:Pilot Flame Small)
Thermocouple faulty.
(Refer fault diagnosis 5.2.1)
Gas magnet faulty.
(Refer fault diagnosis 5.2.1)
Hold control in for longer (10 s),
see if pilot will stay lit.
Correct fault.
Replace thermocouple.
(Refer service section 6.2.9)
Replace gas magnet.
(Refer service section 6.2.13)
Main burners will not light. Wrong size or blocked injectors.
Obstruction in burner.
Incorrect supply pressure.
Faulty gas control.
Replace / clean injectors.
(Refer service section 6.2.6)
Clean burner.
Check supply pressure.
Replace gas control.
(Refer service section 6.2.12)
Piezo ignitor not sparking. Short in high tension lead.
(Refer fault diagnosis 5.2.2)
Piezo faulty.
(Refer fault diagnosis 5.2.2)
Replace lead.
(Refer service section 6.2.11)
Replace piezo.
(Refer service section 6.2.14)