48
1
2
3
4
5
6
M
Parts name
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature 10
~30
)
Disconnect the connector then measure the resistance with a tester.
(Winding temperature 20
)
Thermistor (TH3)
<Outdoor pipe>
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<Outdoor 2-phase pipe>
Thermistor (TH7)
<Outdoor>
Thermistor (TH8)
<Heatsink>
Thermistor (TH34)
<Comp. surface>
Normal
160k
~410k
4.3k
~9.6k
39k
~105k
TH4, TH34
TH3
TH6
TH7
TH8
Abnormal
Open or short
Normal
Red - White
Red - Orange
Brown - Yellow
Brown - Blue
Abnormal
46 ± 4
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
)
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
)
Solenoid valve coil
<Four-way valve>
(21S4)
Solenoid valve coil
(SV1, SV2)
Motor for compressor
(MC)
Linear expansion valve
(LEV-A/LEV-B/LEV-C)
Normal
Abnormal
Open or short
Abnormal
Open or short
Refer to 5-2.
Open or short
Refer to next page.
Fan motor (MF1)
2350 ± 170
Normal
Abnormal
Open or short
1567 ± 150
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
)
Solenoid valve coil
(SV3)
Normal
Abnormal
Open or short
1450 ± 150
Measure the resistance between the terminals with a tester.
(Winding temperature 20
)
Normal
W
V
U
Red
Brown
Blue
Orange
Yellow
White
10-6. HOW TO CHECK THE PARTS
PUHZ-FRP71VHA
OCH544
