Mitsubishi Electric PUHZ-P200YHA Service Manual page 46

11-6. HOW TO CHECK THE PARTS
PUHZ-P200YHA
Parts name
Thermistor (TH3)
Disconnect the connector then measure the resistance with a tester.
<Outdoor pipe>
(At the ambient temperature 10 ~30 )
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<Outdoor 2-phase pipe>
Thermistor (TH7)
<Outdoor>
Refer to next page.
Fan motor (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 )
U
(MC)
V
W
Linear expansion valve
Disconnect the connector then measure the resistance with a tester.
(LEV-A)
(Winding temperature 20 )
Gray
M
1
2
Orange
3
Red
4
Yellow
5
Black
6
PUHZ-P250YHA
Normal
TH4 160k ~410k
TH3
TH6
4.3k ~9.6k
TH7
Normal
1435 ± 150
Normal
0.30
Gray - Black Gray - Red
PUHZ-P200YHA3
Check points
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
Normal
Gray - Yellow Gray - Orange
46 ± 3
46
PUHZ-P250YHA3
Abnormal
Open or short