Fault Finding Guide; Fault Finding Chart - Blue Sea EVOLUTION G47 Service Manual

5.1 Fault Finding Chart

ALL INSTALLATION AND SERVICE REPAIR WORK MUST ONLY BE CARRIED OUT BY QUALIFIED PERSONS.
Fault
Piezo ignitor not sparking.
Pilot won't light.
Pilot goes out when knob released.
Pilot flame small.
Pilot goes out when main burner comes on. Incorrect gas pressure.
Pilot goes out while in use.
Blue Seal Evolution Series - G47 Gas Pasta Cooker
Amendment 6
Warning
Possible Cause
Short in high tension lead.
(Refer Fault Diagnosis 5.2.2).
Piezo ignitor faulty.
(Refer Fault Diagnosis 5.2.2).
No gas supply.
Gas pressure too low.
Knob on gas control won't go fully in.
Blocked pilot injector.
Releasing knob before the thermocouple
heated.
Pilot flame too small.
(Refer Fault: Pilot Flame Small).
Thermocouple faulty.
(Refer Fault Diagnosis 5.2.1).
Safety cut-out thermostat faulty.
(Refer Fault Diagnosis 5.2.1).
Gas control valve faulty.
Gas pressure too low.
Pilot injector restricted.
Faulty gas control.
Gas supply - incorrect or fluctuating
pressure.
Draught at installation site(blowing pilot
out).
Thermocouple faulty.
(Refer Fault Diagnosis 5.2.1).
Safety cut-out thermostat faulty.
(Refer Fault Diagnosis 5.2.1).
Main gas control valve faulty.
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Fault Finding
Remedy
Replace lead.
(Refer Service Section 6.2.10).
Replace ignitor piezo.
(Refer Service Section 6.2.9).
Ensure gas is connected and on and bottles
not empty.
Check gas supply pressure.
(Refer Specifications Section).
Remove obstruction. Correct control /
wrapper mounting.
Replace gas control valve.
(Refer Service Section 6.2.7).
Clean or replace pilot injector.
(Refer Service Section 6.2.9).
Hold control in for longer (10 s), see if pilot
will stay lit.
Correct fault.
Replace thermocouple.
(Refer Service Section 6.2.1).
Replace safety cut-out thermostat.
(Refer Service Section 6.2.4).
Replace gas control valve.
(Refer Service Sections 6.2.7).
Check gas supply pressure.
(Refer Specifications Section).
Clean pilot injector.
(Refer Service Section 6.2.2).
Check supply / adjust pressure.
(Refer Specifications Section).
Replace gas control valve.
(Refer Service Section 6.2.7).
Check supply / adjust pressure.
Shield pasta cooker from excessive breeze
Replace thermocouple.
(Refer Service Section 6.2.1).
Replace safety cut-out thermostat.
(Refer Service Section 6.2.4).
Replace gas control magnet.
© Copyright Moffat Ltd, March 2016
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