Mitsubishi Electric PUHZ-P200YHA Service Manual page 47

11-6. HOW TO CHECK THE PARTS
PUHZ-P200YHA
PUHZ-P200YHA3R1
PUHZ-P200YHA3R3
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>
Fan motor (MF1,MF2) Refer to next page.
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 )
(MC) U
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
OCH424E
PUHZ-P250YHA
PUHZ-P250YHA3R1
PUHZ-P250YHA3R3
Normal
TH4 160k ~410k
TH3
TH6
4.3k ~9.6k
TH7
Normal
1435 ± 150
Normal
0.30
Gray - Black Gray - Red
PUHZ-P200YHA3
PUHZ-P200YHA3R2
Check points
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
Normal
Gray - Yellow
Gray - Orange
46 ± 3
47
PUHZ-P250YHA3
PUHZ-P250YHA3R2
Abnormal
Open or short