7.
Replacing Thermostat
7.1 As 5.1
7.2 Carefully open slightly, 2 clips holding thermostat sensor. Move
in line
with hole,
capillary passes through.
7.3 As 4.2
7.4 As 4.3
7.5 As 4.4
7.6 Remove control knob and 2 screws from front
7.7 Pull out thermostat and carefully transfer all connections to new item
–
Replace in reverse order
–
Test thermostat by turning knob with mid setting (150-200) towards neon. Wait until
neon goes out and cycles several times before turning off.
Ensure
all
operational and safety checks are conducted before leaving machine.
FAULT FINDING GUIDE
PROBLEM
CHECK
NOTHING WORKS
Is the oven switched on at the socket ?
Is the fan oven switch on?
Is trip on main fuse board on ?
Has fuse blown in plug ?
*If trip/fuse continues to trip/blow after resetting/replacing
consult service engineer
*Top oven bulb may not be working
- giving the
impression
oven not working !
If all above are OK but oven still does not heat up
-
see below
OVEN NOT HEATING UP Turn oven thermostat knob to mid setting (150 - 200ºC) in line
with neon: does neon light up ?
Yes
- look inside oven to see if fan blade is turning (Fmodels only)
No and fan not turning
- consult service engineer
OVEN BURNING PRODUCT Is thermostat turned
above
220 ºC (temperature in line with neon)?
Yes
- try a lower setting (180 - 200 ºC)
*Larger potatoes may need cooking at lower temperature for longer
to prevent over cooking outside before inside is cooked
No
- does neon light go off when temperature knob is turned to low
setting (below 100 ºC) or off ?
No
- consult service engineer
THERMAL CUT-OUT
The whole oven, (lights, elements and fan) cycles off and then on
again some time later indicating a replacement thermostat is
required.
Yes
- consult service engineer
