Mitsubishi Electric PUZ-SWM60VAA Service Manual page 39

9-4. HOW TO CHECK THE PARTS
Parts name
Thermistor (TH3)
<Liquid>
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<2-phase pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)
<Heat sink>
Thermistor (TH32)
<Suction>
Thermistor (TH33)
<Comp. surface>
Fan motor
(MF1)
Solenoid valve coil
<4-way valve>
(21S4)
Motor for compressor
(MC)
U
V
W
Linear expansion valve
(LEV-A/LEV-C* )
1
Gray
M 1
Orange
2
Red
3
Yellow
4
Black
5
PUZ-SHWM only.
*1
OCH809A
Disconnect the connector then measure the resistance with a multimeter.
(At the ambient temperature 10 to 30°C)
Normal
TH4
160 to 410 kΩ
TH33
TH3
TH6
4.3 to 9.6 kΩ
TH7
TH32
TH8 39 to 105 kΩ
Refer to the next page.
Measure the resistance between the terminals with a multimeter.
(At the ambient temperature 20°C)
Normal
1435 ± 150 Ω
Measure the resistance between the terminals with a multimeter.
(Winding temperature 20°C)
SWM60-120VAA
SHWM140VAA
SHWM60-120VAA
0.74
Disconnect the connector then measure the resistance with a multimeter.
(Winding temperature 20°C)
Gray - Red
Gray - Black
Checkpoints
Abnormal
Open or short
Abnormal
Open or short
SWM80-120YAA
SHWM80-140YAA
0.32 0.94
Normal
Gray - Yellow
46 ± 3 Ω
39
Abnormal
Open or short
Abnormal
Gray - Orange
Open or short