Mitsubishi Electric Mr. SLIM MSZ-FA25VA Technical Manual página 819

10-6. HOW TO CHECK THE PARTS
PUH-P71VHA.UK PUH-P100VHA.UK
PUH-P71YHA.UK PUH-P100YHA.UK PUH-P125YHA.UK PUH-P140YHA.UK
PU-P71VHA.UK PU-P100VHA.UK
PU-P71YHA.UK PU-P100YHA.UK
Parts name
Thermistor (TH3) Disconnect the connector then measure the resistance using a tester.
<Outdoor pipe> (Surrounding temperature 10
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<Outdoor 2-phase pipe>
FAN MOTOR(MF)
P71, P125, P140
Black
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20C°)
Red
White
FUSE
OPEN : 141
Protector
OPEN :135i 5 °C
Black
Orange
Red
White
Protector
P100
OPEN :140i 5
CLOSE :90i 15 °C
Solenoid valve coil Measure the resistance between the terminals using a tester.
(Surrounding temperature 20
<Four-way valve>
(21S4)
Motor for compressor Measure the resistance between the terminals using a tester.
(Winding temperature 20
U
(MC)
V
W
Linear expansion valve
Disconnect the connector then measure the resistance using a tester.
(LEV)
(Winding temperature 20
Gray
M
1
2
Orange
3
Red
4
Yellow
5
Black
6
Measure the resistance between the terminals using a tester.
Solenoid valve coil
(Surrounding temperature 20
<Bypass valve>
(SV)
For P125, P140
Measure the resistance between the terminals using a tester.
CRNKCASE HEATER
(CH)
PU-P125YHA.UK
°C
~30
Normal
TH4 160 ~410
TH3
4.3 ~9.6
TH6
Motor lead wire
P71, P125, P140
±10%
White — Black 82.5
±10%
102.0
White — Red
°C
)
P71,P100
1500±150
°C
)
°C
)
Gray - Black Gray - Red
°C
)
Normal
1450±150
Normal
P71,P100,P125,P140
2304 ±7%
PU-P140YHA.UK
Check points
°C
)
Abnormal
Open or short
Normal Abnormal
P100
±7%
44.5
Open or short
±7%
43.7
Normal
P125,P140
1435±150
Normal
Refer to 5-2.
Normal
Gray - Yellow Gray - Orange
46±3
Abnormal
Open or short
Abnormal
Open or short
Resolución de averías
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
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