Page16
7.2 Electronics troubleshooting
Phenomenon
Cause
Solution
(I) The heating elements are
not heated.
1 The heating element is damaged.
2 Wire fault(open circuit)
3 Failure on heating element control switch
1 Replace the heating element
2 Change the wireharness
3 Change the control switch
(II) The oven lamp cannot be
light up
1.The oven lamp is damaged;
2.Wire failure
3.Failure on lamp control switch
1 Replace the oven lamp
2 Change the wireharness
3.Chnage the lamp control switch
(III) The ignition needle can
not strike fire.
1 The pulse igniter is damaged;
2 The ignition needle is damaged or ill
contacted;
3 Wire failure
4 Failure on ignition control switch
1 Replace the pulse igniter
2 Replace the ignition needle
3 Change the wire harness
4 Change the ignition control switch.
(IV) The rotary motor did not
rotate at all.
1 The rotary motor is damaged.
2 Wire failure
3 Failure on rotary control switch
1 Replace the rotary motor
2 Change the wire harness
3 Change the rotary control switch
Note!
1 Check the ground wire before the fault is detected;
2 Enough attention must be given to high voltage circuit.
