LG LMVM2055ST Service Manual

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
NO runs
Normal
ventilation
Check the contact of magnetron thermostat and oven thermostat
Check: 1. POWER SUPPLY
2. FUSE

LG LMVM2055ST Specifications

General

Brand	LG
Model	LMVM2055ST
Category	Microwave Oven
Language	English