PROBLEM - G: Ventilation fan does not operate when FAN HIGH/LOW key is touched.

1

Check: 1. POWER SUPPLY

2. FUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

Replace

 

 

contact

 

magnetron thermal fuse

 

 

 

 

 

 

and oven thermostat

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check the contact of magnetron thermal fuse and oven thermostat

Contact

 

Check contact

OK

 

of connector S1

 

 

(see page 7-4)

 

 

 

 

 

 

 

Runs

Poor contact

Correct

Normal

Runs

 

seating

contact

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contact OK

 

Replace

 

Normal

Runs

 

 

 

 

 

 

 

 

 

 

circuit board

circuit board

 

7-25

 

 

 

 

 

Runs

 

 

 

 

 

NO runs

 

Replace

Normal

 

 

 

 

ventilation

ventilation

 

 

motor ASS Y

motor ASS Y

 

Page 36
Image 36
LG Electronics LMV1825SBQ, MV1825SW service manual Fuse