Samsung DH140EAV - Main Part Inspection Method

Samsung Electronics
4-7 Main Part Inspection Method
Compare terminal Resistance Remark
Red, Blue 185Ω ± 10% Main
Blue, White 183Ω ± 10% Sub
Part Breakdown Inspection Method
Indoor Unit T
emperature Sensor
Measure sensor resistance with a multimeter
Normal At the normal temperature 37kΩ~
8.3kΩ(-7˚C~+30˚C)
Abnormal
∞,
0Ω...Open or Short
Indoor Unit B
LDC FAN Motor
Measure terminal resistance with a multimeter
Normal At the normal temperature(10˚C~
30˚C)
Abnormal
∞,
0Ω...Open or Short
Outdoor Unit
O
utdoor Temperature Sensor
&
C
ond Temperature Sensor
Measure sensor resistance with a multimeter
Normal At the normal temperature 37kΩ~
8.3kΩ(-7˚C~+30˚C) see 12-2-6 and 12-2-8
Abnormal
∞,
0Ω...Open or Short
Outdoor Unit
D
ischarge Temperature Sensor
Measure sensor resistance with a multimeter
Normal At the normal temperature 563kΩ~
157kΩ(0˚C~+30˚C) see 12-2-7
Abnormal
∞,
0Ω...Open or Short
Outdoor Unit B
LDC FAN MOTOR
Measure terminal resistance with a multimeter
Normal At the normal temperature(10˚C~
30˚C)
Abnormal 0Ω.
..Open or Short
Outdoor Unit 4
way Valve Solenoid
Measure resistance with a multimeter
Normal
At the normal temperature(10˚C~
30˚C) 1.6KΩ±15%
Abnormal
∞,
0Ω...Open or Short
wire pin number Resistance Remark
RED - BLACK 1-3 over 1MΩ +300V motor power
WHITE - BLACK 4-3 1KΩ ~ 2KΩ +15V control power
YELLOW - BLACK 5-3 200KΩ ~ 300KΩ control
BLUE - BLACK 6-3 10KΩ ~ 50KΩ pulse
wire pin number Resistance Remark
RED - BLACK 1-3 over 1M
Ω +300V motor power
WHITE - BLACK 4-3 1K
Ω ~ 2K Ω +15V control power
YELLOW - BLACK 5-3 200K
Ω ~ 300K Ω control
BLUE - BLACK 6-3 10K
Ω ~ 50K Ω pulse
ORANGE - BLACK 7-
3 10K Ω ~ 50K Ω reverse
4-35
DB98-29522A_USA_SM.indd 55 2008-2-29 13:18:30