Moorwood Vulcan MLE30F-F-C Manuale del Proprietario Scaricare il pdf (Pagina 28)

Manual Part No: 930087-01 SNORKEL Gas Convection Oven - 28 –

Manual Rev No: 1

Service and Maintenance (cont.)

Fault Finding

Mains on Indicator Lamp Not Glowing

Check the 10amp circuit breaker to see if it has tripped - before resetting look for the cause.

Oven Switched On, Pilot Will Not Light and No Spark At Electrodes

Check the Auxiliary Fan Switch position. Check the fan rotation and direction. Should be clockwise

viewed from the front of the oven.

Check that the pilot solenoid valve is operating and that gas is flowing to the pilots.

Check the 1 amp fuse, located on the underside of the Pactrol Control. If the fuse has blown check the

solenoid valves for a short circuit.

Check the operation of the Air-Pressure Switch. Note, with fan

NOT rotating - look for continuity

between the common and normally closed contacts. With the fan rotating - look for continuity between

common and normally open contacts. Check the electrode spark gap is 3 – 4 mm and also inspect the

condition of the leads, connectors and porcelain pots, Check the spark ignition generator mounted

behind the lower front panel. Note that the Pactrol Control is supplying 240V live to the Spark Generator

for a short period of time at the start-up. If the Pactrol Control is

NOT supplying this voltage then check

that the Air-Proving relay is operating - it will click in & out when the oven on/off switch is operated.

(The Air-Proving relay is mounted in a box on the rear of the oven).

Pilots Light but Will Not Stay In

Check the gap between the electrode and the pilot body. Check that the leads and connections are

sound. Look at the electrode porcelain pot for cracks etc; Note if one pilot is faulty the Pactrol Control

will lockout. Check that the pilot flame is satisfactory i.e. not lifting, yellow tipping or even too small.

(Clean and adjust as required).

Pilots Satisfactory but Main Burners Will Not Light

Check that the main gas solenoid valve is operating. Check that the oven thermostat is operating and

check for continuity between the thermostat contacts. Check that the Load Control is operating.

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Moorwood Vulcan MLE30F-F-C Manuale del Proprietario Pagina 28