Door Locking Motor; Micro Switch ( Normally Open Type); Oven Sensor - LG LUTG4519SN Service Manual

COMPONENTS

Door locking Motor

1. Refer to page 3-13 for the servicing procedure
2. Measure the resistance after cooling down
Micro Switch 1. Refer to pages 3-20, 3-21 for the servicing procedure
( normally open type)
2. Measure the resistance
NOTE: After checking for the continuity of switch, make sure that they are connected correctly

Oven Sensor

1. Refer to page 3-22 for the servicing procedure
2. Measure the resistance after cooling down
NOTE: Oven sensor is so sensitive to temperature
TEST PROCEDURE
(Multiple meter scale: R x 1000)
NO
COM
(Multiple meter scale: R x 1000)
Do test after cooling down sufficiently
Normal: Approximately
2.6 kΩ ± 10%
If not replace
Abnormal: Infinite(open)
Door latch open
Continuity
Normal: Approximately
1.09 kΩ ± 10%
If not replace
NOTE: Ω Value was tested at room temperature
-4-2-
RESULTS
below 5Ω (shorted)
Door latch locked
Infinite
(77F/25˚C)