Mitsubishi Electric PUZ-HA30NHA5 Service Manual page 48

10-6. HOW TO CHECK THE PARTS
PUZ-HA30NHA5 PUZ-HA36NHA5
Parts name
Thermistor (TH3) Disconnect the connector then measure the resistance with a tester.
<Liquid>
(Ambient temperature 50 to 86°F [10 to 30:])
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<2-phase pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)
<Heat sink>
Thermistor (TH32)
<Suction>
Thermistor (TH33)
<Ref. check>
Fan motor(MF1,MF2) Refer to the next page.
Solenoid valve coil Measure the resistance between the terminals with a tester.
(Ambient temperature 68°F [20:])
<4-way valve>
(21S4)
Motor for compressor Measure the resistance between the terminals with a tester.
(Winding temperature 68°F [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 68°F [20:])
Gray
M
1
2
Orange
3
Red
4
Yellow
5
Black 6
OCH607
Normal
TH4
160 to 410 k"
TH3
TH6
TH7 4.3 to 9.6 k"
TH32
TH33
TH8 39 to 105 k"
Normal
1435 i 150 "
Normal
0.188 "
Gray - Black Gray - Red
Check points
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
Normal
Gray - Yellow Gray - Orange
46 i 3 "
48
Abnormal
Open or short