Mitsubishi Electric PUMY-P200YKM2 Technical & Service Manual page 99

8-7. HOW TO CHECK THE PARTS
PUMY-P200YKM2
PUMY-P200YKM2R1
Parts name
Thermistor (TH2)
<HIC Pipe>
Thermistor (TH3)
<Outdoor liquid pipe>
Thermistor (TH4)
<Compressor>
Thermistor (TH6)
<Suction pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)
<Heat sink>
Fan motor (MF1, MF2)
Red
1
2
3
Blue
M
4
Brown
5
Orange
6
White
7
Solenoid valve coil
<4-way valve>
(21S4)
Motor for compressor
(MC)
U
V
W
Solenoid valve coil
<Bypass valve> (SV1)
Linear expansion Valve
(LEV-A)
GY
M
1
OR
2
RD
3
YE
4
BK
5
Linear expansion Valve
(LEV-B)
RD
M
1
BU
2
OG
3
YE
4
WH
5
OCH675D
PUMY-P200YKM2-BS
PUMY-P200YKM2R1-BS
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature 10 to 30°C)
TH4 160 to 410 kΩ
TH2
TH3
4.3 to 9.6 kΩ
TH6
TH7
39 to 105 kΩ
TH8
Measure the resistance between the connector pins with a tester.
(At the ambient temperature 20°C)
Brown - Blue
Red - Blue
Ω
40 ± 4 k
1.1 ± 0.05 M
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20°C)
Normal
1725 ± 172.5 Ω
Measure the resistance between the terminals with a tester.
(Winding temperature 20°C)
Normal
0.305 ± 0.015 Ω
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20°C)
Normal
1182.5 ± 83 Ω
Gray - Black
Gray - Red
Red - White Red - Orange
Checkpoints
Normal
Open or short
Normal
Orange - Blue White - Blue
Ω Ω
220 ± 22 k
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
Normal
Gray - Yellow
46 ± 3 Ω
Normal
Red - Yellow
46 ± 4 Ω
99
Abnormal
Abnormal
Open or short
(Short, for White - Blue)
Open
Abnormal
Gray - Orange
Open or short
Abnormal
Red - Blue
Open or short