turbofan E20D Series, Руководство по обслуживанию

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Fault Finding
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Turbofan E20D Series Convection Ovens © Copyright Moffat Ltd. 10 February 2016.
Amendment 1
Fault Possible Causes Remedy
Oven does not operate / display blank /
Stand-By LED Off.
Mains isolating switch, circuit breaker or
fuses are 'Off' at the power board.
Overtemp tripped.
Overtemp.
Transformer.
Controller.
Turn 'On' isolating switch. Check circuit
breaker / fuses.
Reset Overtemp located at rear of oven. (Push
in red button).
Check output from overtemp. If no output,
replace overtemp.
Confirm power input to transformer.
Check power output from transformer. If no
power output, replace transformer.
Check power input from overtemp.
Check power input from transformer. If both
power inputs are satis, replace controller.
‘dor’ on display.
Door open.
Door / hinges obstructed
Door hinges worn / faulty.
Door faulty and does not close properly.
Door microswitch out of adjustment.
Door microswitch faulty.
Close door.
Clear obstruction.
Replace both hinges.
Door damaged, replace door.
Adjust door microswitch.
Check continuity through microswitch, if faulty,
replace.
‘Err 001’ on displays. Oven Temperature Probe faulty. Replace oven temperature probe.
‘Err 003’ on displays. Wiring faulty. Missing loop wire on
controller between terminals COM and
ID2. Check plug connections to controller are secure
and not damaged.
Oven heats up but fan does not operate.
Capacitor faulty.
Fan Motor faulty.
Controller faulty. Check and replace if faulty.
Replace fan motor.
Replace controller.
Oven Fan operates but no heating in
oven. Heating relay faulty.
Element faulty.
Controller faulty. Replace heating relay.
Replace element.
Check ‘Heat’ output from controller. If no
output, Controller faulty, replace.
‘Est’ on display when pressing steam key. Steam function disabled. Enable steam. Refer to ‘Controller Operator
Settings’.
Oven does not Steam.
Water turned ‘Off’ at mains supply.
Injector nozzle blocked.
Water solenoid faulty.
Controller faulty. Turn ‘On’ water at mains supply.
Unblock Injector Nozzle.
Replace water solenoid.
Check steam output from controller to solenoid.
If no output. Replace controller.
Oven light not illuminating. Blown bulb.
Blown fuse (E27D3 and E28D4 only). Replace bulb.
Replace fuse.
Operational Faults