4-2
Copyright © LG Electronics Inc. All rights reserved.
Only training and service purposes
NOTE: Ω Value was tested
at room temperature
(77F/25˚C)
Components Test procedures Results
Door Lock Motor 1. Refer to page 3-14 for the servicing procedure
2. Measure the resistance
(Multiple meter scale: R x 1000)
Normal: Approximately
2.6 kΩ
± 10%
Abnormal: Infinite(open)
below 5Ω (shorted)
Micro Switch
(Normally open type)
1. Refer to page 3-14 for the servicing procedure
2. Measure the resistance
(Multiple meter scale: R x 1000)
Door latch
open
Door latch
Locked
Infinite
Continuity
NOTE: After checking for the continuity of switch, make sure that they are
connected correctly
Oven Sensor 1. Refer to page 3-15 for the servicing procedure
2. Measure the resistance after cooling down
(Multiple meter scale: R x 1000)
Normal: Approximately
1.09 kΩ
± 10%
NOTE: Oven sensor is so sensitive to temperature
Do test after cooling down sufficiently