Parts name
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature 10:~30:)
Thermistor (TH2)
<HIC piping temp.>
Thermistor (TH3)
<Piping temp.>
Thermistor (TH4)
<Compressor>
Thermistor (TH6)
<
Low pressure saturated
temperature>
Thermistor (TH7)
<Outdoor temp.>
Normal
160k"~410k"
4.3k"~9.6k"
TH4
TH2
TH3
TH6
TH7
Abnormal
Open or short
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
:
)
Solenoid valve coil
<Four-way valve>
(21S4)
Motor for compressor
(MC)
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20:)
Normal
1197 ± 10"
Abnormal
Open or short
Solenoid valve coil
<Bypass valve>
(SV1)
Refer to next page.
Fan motor (MF1, MF2)
Measure the resistance between the terminals with a tester.
(Winding temperature 20
:
)
W
V
U
Normal
1580 ± 110"
Abnormal
Open or short
Normal
0.37"
Abnormal
Open or short
8-7. HOW TO CHECK THE PARTS
To Next Page
Loading...
