How To Check The Parts - Mitsubishi Electric PUHZ-SHW230YKA2 Service Manual

8-5. HOW TO CHECK THE PARTS

PUHZ-SHW230YKA2
Parts name
Thermistor (TH3)
Disconnect the connector then measure the resistance with a tester.
<Liquid>
(At the ambient temperature 10 to 30:)
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<2-Phase Pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH32)
<Suction>
Thermistor (TH34)
<Comp. Surface>
Fan motor(MF1,MF2) Refer to the next page.
Solenoid valve Measure the resistance between the terminals with a tester.
(At the ambient temperature 20:)
(4-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:)
GY
M
1
OG
2
RD
3
YE
4
BK
5
OCH594B
PUHZ-SHW230YKA2R1
Normal
TH4
160 to 410k"
TH34
TH3
TH6
4.3 to 9.6k"
TH7
TH32
TH8* 39 to 105k"
Normal
1435 ±150 "
Normal (U-V, U-W, W-V)
0.37 "
Gray - Black Gray - Red
PUHZ-SHW230YKA2R2
Checkpoints
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
Normal
Gray - Yellow
Gray - Orange
46 ± 3 "
27
*YKA2R2 type only
Abnormal
Open or short