Mitsubishi Electric Mr.Slim PUHZ-SHW80VHA Service Manual page 47

9-6. HOW TO CHECK THE PARTS
PUHZ-SHW80VHA
PUHZ-SHW112YHA
Parts name
Thermistor (TH3)
Disconnect the connector then measure the resistance with a tester.
<Liquid>
(At the ambient temperature 10 ~30 )
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<2-phase pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)
<Heatsink>
Thermistor (TH32)
<Suction>
Thermistor (TH33)
<Ref. check>
Thermistor (TH34)
<Comp. surface>
Fan motor Refer to next page.
(MF1,MF2)
Solenoid valve coil Measure the resistance between the terminals with a tester.
(At the ambient temperature 20 )
<Four-way valve>
(21S4)
Motor for compressor Measure the resistance between the terminals with a tester.
(Winding temperature 20 )
(MC) U
V
W
Linear expansion valve
Disconnect the connector then measure the resistance with a tester.
(LEV-A/LEV-B/LEV-C)
(Winding temperature 20 )
Gray
M
1
Orange
2
Red
3
Yellow
4
Black
5
Measure the resistance between the terminals with a tester.
Solenoid valve coil
(At the ambient temperature 20 )
<Bypass valve>
(SV)
OCH526
PUHZ-SHW112VHA
PUHZ-SHW140YHA
Normal
TH4 160k ~410k
TH3
TH6
TH7
4.3k ~9.6k
TH32
TH33
TH34
TH8 39k ~105k
Normal
1435 150
Normal
HRP71, 100V HRP100, 125Y
0.188 0.302
Gray - Black Gray - Red
Normal
1197 10
Check points
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
Normal
Gray - Yellow Gray - Orange
46 3
Abnormal
Open or short
47
Abnormal
Open or short