Maksan MKF-20G, Installation, Operation And Maintenance Manual

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11.TROUBLESHOOTING
C ertain faults may ocur during normal use of the appliance:
The pilot burner does not ignite
Causes:
●
Electrod poorly fixed or incorrectly connected.
● Electric ignition or electrode cable damaged.
● Insufficient gas pressure.
● Pilot injector clogged.
● Gas valve faulty.
The pilot burner goes out when the ignition buton is relesed.
Causes:
●
Thermocouple faulty or not sufficiently heated by pilot
burner.
●
Gas pressure low at valve.
● Gas valve faulty.
● Safety thermostat(s) tripped.
The burner does not ignite when the pilor burner is lit.
Causes:
●
Low pressure in gas pipes.
● Injector clogged.
● Gas valve faulty.
● Gas outlet holes on burner clogged.
● Motor thermal cut-out tripped.
● Timer faulty.
● Door micro-switch faulty or door not closed properly.
● Operating thermostat or bulb damaged.
The oven temperature control does not work.
Causes:
●
Operating thermostat faulty.
● Gas valve faulty.
12. LAYOUT OF MAIN COMPONENETS
(All work inside the appliance must only be carried out by a
trained installer authorised by the manufacturer.
Open the control panel and LH side panel on the appliance to
gain access to the following components:
● Water solenoid valve.
● Safety and operating thermostats.
To replace the bulb on the safety thermostat, proceed as
follows:
- remove the fixing screw on the cover at the rear of the
appliance.
- Remove the fume exhaust pipe (if fitted).
- Raise the back LH side of the cover.
- Replace the thermostat bulb, taking care to correctly position
the new bulb in its seat.
● Pilot burner and main burner. To remove, first undo the fixing
screws.
Pilot burner and main burner injectors. Replacment and primary
air adjustment.
Note:
The control panel may be opened to gain accessto all the
appliance’s gas and electrical components, including the power
terminal board (also accessible externally from underneath the
appliance) and fuse.
To replace the gas solenoid valve, disconnect the pilot line and
thermocouple and disconnect the gas inlet and outlet
connection.
● The rear panel may be removed to gain accessto the electric
motor after first removing the fan suction panel and fan.