Samsung AC035JNMCEH Service Manual page 62

4-8 Main Part Inspection Method
Part
Indoor Unit Temperature Sensor
Indoor Unit BLDC FAN Motor
Outdoor Unit
Outdoor Temperature Sensor
&
Cond Temperature Sensor
Outdoor Unit
Discharge Temperature Sensor
Outdoor Unit BLDC FAN MOTOR
Outdoor Unit 4way Valve Solenoid
Remark : 4-5-4~7 contents are for heat pump model (DH18/24BT) .
4-36
Measure sensor resistance with a multimeter
Normal At the normal temperature 37kΩ~8.3kΩ(-7˚C~+30˚C)
∞,0Ω...Open or Short
Abnormal
Measure terminal resistance with a multimeter
Normal At the normal temperature(10˚C~30˚C)
Compare terminal wire
RED - BLACK
Red, Blue
WHITE - BLACK
Blue, White
YELLOW - BLACK
BLUE - BLACK
∞,0Ω...Open or Short
Abnormal
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
∞,0Ω...Open or Short
Abnormal
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
Measure terminal resistance with a multimeter
Normal At the normal temperature(10˚C~30˚C)
wire
RED - BLACK
WHITE - BLACK
YELLOW - BLACK
BLUE - BLACK
ORANGE - BLACK
Abnormal 0Ω...Open or Short
Measure resistance with a multimeter
Normal At the normal temperature(10˚C~30˚C) 1.6KΩ±15%
∞,0Ω...Open or Short
Abnormal
Breakdown Inspection Method
pin number Resistance Resistance
1-3 over 1MΩ
185Ω ± 10%
4-3 1KΩ ~ 2KΩ
183Ω ± 10%
5-3 200KΩ ~ 300KΩ
6-3 10KΩ ~ 50KΩ
pin number Resistance
1-3 over 1MΩ
4-3 1KΩ ~ 2KΩ
5-3 200KΩ ~ 300KΩ
6-3 10KΩ ~ 50KΩ
7-3 10KΩ ~ 50KΩ
Remark Remark
+300V motor power
Main
+15V control power
Sub
control
pulse
Remark
+300V motor power
+15V control power
control
pulse
reverse
Samsung Electronics