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Appendix
ⅠⅠ
(Reference for circuit diagnostics)
Ref.1) Measure Load Terminals
LOAD
TERMINALS PCB CASE
VALUE
DEFECTS OTHERS
DISPENSER HEATER
1) DEFROST HEATER
2) ICE PIPE HEATER
CN72 ① & ③
CN71 ⑪ & ③
0Ω
∞Ω
0Ω
∞Ω
THERMAL FUSE, HEATER, WIRE SHORT THERMAL
BIMETAL, HEATER, WIRE CUT
HEATER, WIRE SHORT
HEATER, WIRE CUT OR HOUSING SLIPPED AWAY
COIL, WIRE SHORT
COIL, WIRE CUT
COIL, WIRE SHORT
COIL, WIRE CUT
COIL, WIRE SHORT
COIL, WIRE CUT
COIL, WIRE SHORT
COIL, WIRE CUT
MOTOR, WIRE SHORT MOTOR, WIRE CUT OR
HOUSING SLIPPED AWAY
MOTOR, WIRE SHORT
MOTOR, WIRE CUT OR HOUSING SLIPPED AWAY
WATER VALVE
ICE MAKER
CN70 ⑤ &
CN71 ③
0Ω
∞Ω
WATER VALVE
DISPENSER
CN70 ⑦ &
CN71 ③
0Ω
∞Ω
AUGER MOTOR
CN70 ① &
CN71 ③
0Ω
∞Ω
CUBE SOLENOID
CN70 ③ &
CN71 ③
0Ω
∞Ω
COMP. FAN MOTOR
CN71 ⑦ & ③
0Ω
∞Ω
F FANMOTOR
CN71 ① & ③
0Ω
∞Ω
Turn off Power, disassemble Housing connected to MAIN PCB CN70,71,72 and measure followings