Mitsubishi Electric Mr. SLIM MSZ-FA25VA Technical Manual página 809

10-6. HOW TO CHECK THE PARTS
PUHZ-P100VHA.UK PUHZ-P125VHA.UK PUHZ-P140VHA.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>
Thermistor (TH7)
<Outdoor>
Thermistor (TH8)
<Heat sink>
Fan motor(MF1,MF2) Refer to next page.
Measure the resistance between the terminals using a tester.
Solenoid valve coil
(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-A)
(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 P100
°C ~30
Normal
TH4
160k ~410k
TH3
TH6
4.3k ~9.6k
TH7
TH8
39k ~105k
°C )
P100
1500±150
°C )
P100
0.88
°C )
Gray - Black Gray - Red
°C )
Normal
1450±150
Check points
°C )
Abnormal
Open or short
Normal
P125,P140
1435±150
Normal
P125,P140
0.266
Normal
Gray - Yellow Gray - Orange
46±3
Abnormal
Open or short
Resolución de averías
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
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