7-25
PROBLEM - F:
No buzzing when touching the key, between
stages or at end of cooking
1
Normal
circuit board
Check normal
operation
circuit board
Replace
circuit board
Runs
PROBLEM - G:
Ventilation fan does not operate when VENT ON/OFF key is touched.
1
Runs
Runs
Runs
Contact
OK
NO
contact
Replace
magnetron thermostat
and oven thermostat
Poor contact
Replace
circuit board
Normal
circuit board
Contact OK
Normal
contact
Correct
seating
Check contact
of connector
(see page 7-5)
Runs
Replace
ventilation
motor ASS
Y
NO runs
Normal
ventilation
motor ASS
Y
Check the contact of
magnetron thermostat
and oven thermostat
Check:
1. POWER SUPPLY
2. FUSE