Manual Part No: 930155-01 MD Electric Fryer
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Manual Rev No: 4
Service and Maintenance Instructions
Service and Maintenance Instructions
Service and Maintenance Instructions
Service and Maintenance Instructions (cont.)
Fault Finding
Fault
Possible Cause
Remedy
Mains Pilot Lamp not alight.
a) Mains Isolator “
OFF”
a) Switch “
ON”
b) 5 Amp fuse blown
b) Check wiring for short.
Replace fuse.
Pilot lamp alight, but start switch
indicator not alight. Oil
NOT
heating up.
Faulty start switch
Check and replace if necessary
Mains pilot lamp alight, start
lamp alight, control thermostat
lamp
NOT alight. Oil NOT
heating up.
a) Override thermostat has
operated due to failure of control
thermostat
a) Replace control thermostat
and press reset button on
override thermostat.
b) Override thermostat nuisance
tripping at too low a temperature
b) Replace override thermostat.
Mains pilot lamp alight, start
Lamp alight but oil NOT heating
up.
a) Micro-switch not closed
a) Check elements are fully
lowered
b) Faulty micro-switch
b) Check functions of micro-
switch. Replace if necessary
c) Coil/contactor open circuit
c) Switch “
OFF” electrical supply
and check continuity of
contactors and coil. If coil o/c,
replace. If contactors o/c,
replace complete assembly.
d) Heating element o/c.
d) Replace elements.
Mains pilot lamp alight, start
lamp alight, control thermostat
lamp alight. Oil heating slowly
Heaters inoperative
Check continuity of elements and
replace if necessary