Mitsubishi Electric Mr. Slim PUZ-M200YKA2.UK Service Manual page 51

10-5. HOW TO CHECK THE PARTS
Parts name
Thermistor (TH3)
Disconnect the connector then measure the resistance with a multimeter.
<Liquid>
(At the ambient temperature 10 to 30°C)
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
TH4/TH33
<2-phase pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)
<Heat sink>
Thermistor (TH33)
<Comp. Surface>
Fan motor(MF1,MF2) Refer to the next page.
Solenoid valve coil Measure the resistance between the terminals with a multimeter.
(At the ambient temperature 20°C)
<4-way valve>
(21S4)
Motor for compressor Measure the resistance between the terminals with a multimeter.
(Winding temperature 20°C)
(MC) U
V
W
Linear expansion valve Disconnect the connector then measure the resistance with a multimeter.
(LEV-A/LEV-B) (Winding temperature 20°C)
Gray
M 1
Orange
2
Red
3
Yellow
4
5
Black
OCH775B
Normal
160 to 410 k"
TH3
TH6
4.3 to 9.6 k"
TH7
TH8 39 to 105 k"
Refer to "5-3. COMPRESSOR TECHNICAL DATA".
Gray - Black Gray - Red
Checkpoints
Abnormal
Open or short
Normal
M200/250
1215 ± 122 "
Normal
Normal
Gray - Yellow
46 ± 3 "
51
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Gray - Orange
Open or short