Check C; Harness Connection Check; Capacitor Specifications; Compressor Check - LG LMXS27626S Service Manual

11-3 Check C

C1. Harness Connection Check
C2. Capacitor Specifications
C3. Compressor Check
- Step 1. Power off. Step 2. Check capacitor spec. (table1). Step3. Check resistance of point A
Step 4. Check wire harness (INF ohm). Step 5. Check resistance at point B. Step 6. Point D.
Power
off
Resistance
at Point B
6~8ohm
Y
Problem
- Measure the resistance at each point except point C
- Dead short check: measure the resistance between power line in compressor and earth ground in refrigerator (Inf. Ohm)
Multi
Tester
ead short check
Y
Check
Resistance
Capacitor
at Point A
Spec.
6~8ohm
N Resistance
at Point D
6~8ohm
Y
Problem
B~D
A~B
Caution : Turn off power during check C
Multi
Tester
A
B
C
Capacitor Spec.
450V, 18μ F±5%
Earth
Multi
Tester
Check
Y
wiring to
compressor
N
N
N N
Replace
Check Compressor
Compressor
Multi
Tester
Po
* Because of ambient temperature or operating
situations, the values shown can have a slight
deviation.
P
C
Hermetic terminal
- 84 -
Check Process
Harness
Y
Connecting
OK
Y Harness
Problem
terminals
N/C
Po: Power
Co: Common
N/C: Open terminal
Co Resistance
C75LBNA