Mitsubishi Electric MSC-A07WV Service Manual page 111

MUX-A10WV - MUX-A19WV -
E1
Part name
Measure the resistance between the terminals with a tester.
(Coil wiring temperature -10°C ~ 40°C)
Outdoor fan
motor
(MF, MF61)
INNER FUSE
WHT-BLK
MUX-A10WV
BLK-RED
145°C OPEN
INNER Measure the resistance between the terminals with a tester.
PROTECTOR (Coil wiring temperature -10°C ~ 40°C)
MUX-A19/A20/A25/
A26WV
145i8°C OPEN
WHT-BLK
BLK-RED
Solenoid coil
Measure the resistance with a tester.
21R, 21RA,
21RB, 21R1,
21R2, 21R3,
21R4
MXZ-A18WV -
E1
Part name
Defrost thermistor
Evaporation/Gas pipe tem-
perature thermistor
Discharge temperature
thermistor
Compressor
W
RED
V
U
WHT
BLK
Outdoor fan motor
WHT
P
ORN
RED
BLK
YLW
Protector specification
Short 87I15:
Open 135I5:
R. V. coil
Linear expansion valve
WHT
RED LEV
ORN
YLW BRN
BLU
MUX-A20WV -
E1
Check method and criterion
MUX-A10WV
MUX-A19WV
196 ~ 241Ω
208 ~ 246Ω
129 ~ 158Ω
MUX-A25WV
79 ~ 98Ω
129 ~ 158Ω
Normal
1410 ~ 1730Ω
Measure the resistance using a tester.
(Part temperature -10°C ~ 40°C)
Normal
5kΩ ~ 55kΩ
Measure the resistance using a tester, after warming up the thermistor by holding by hand.
(Part temperature : 20°C ~40°C)
Normal
100kΩ ~ 250kΩ
Measure the resistance between terminals using a tester.
(Winding temperature : -10°C ~ 40°C)
Normal
1Each phase 2.25Ω ~ 2.76Ω
Measure the resistance between lead wires using a tester.
(Part temperature : -10°C ~ 40°C)
WHT - BLK
BLK - YLW
BLK - RED
Measure the resistance using a tester. (Part temperature -10°C ~ 40°C)
Normal
2.6kΩ ~ 3.3kΩ
Measure the resistance using a tester.(Part temperature -10°C ~ 40°C)
Lead wire color
WHT - RED
RED - ORN
YLW - BRN
BRN - BLU
MUX-A25WV -
E1
Normal
MUX-A20WV
79 ~ 98Ω 79 ~ 98Ω
129 ~ 158Ω
Normal
MUX-A26WV
69 ~ 85Ω
70 ~ 86Ω
(Part temperature -10°C ~ 40°C)
Abnormal
Open or short-circuit
Check method and criterion
Normal
123.0Ω ~ 150.0Ω
30.0Ω ~ 36.0Ω
181.0Ω ~ 221.0Ω
Normal
37.4Ω ~ 53.9Ω
111
MUX-A26WV -
E1
MUX-A10WV
Abnormal
FUSE
Open or
short-circuit
BLK
MUX-A19/A20/A25/
A26WV
Abnormal
P
Open or
short-circuit
BLK RED
abnormal
Open or short-circuit
abnormal
Opened or short-circuited
abnormal
Open or short-circuit
abnormal
Open or
short-circuit
abnormal
Open or short-circuit
Abnormal
Open or short-circuit
P Inner protector
E1
Figure
RED WHT
WHT