Mitsubishi Electric MSC-07RV Service Manual page 129

MUH-07RV -
MU-07RV -
E1
MUH-09RV -
MU-09RV -
E1
MUH-12RV -
MU-12RV -
E1
Part name
Measure the resistance with a tester.
(Part temperature –10°C ~ 40°C)
Defrost
thermistor
<MUH-07/09/12RV>
Measure the resistance between the terminals with a tester.
(Coil wiring temperature –10°C ~ 40°C)
Compressor
Measure the resistance between the terminals with a tester.
(Coil wiring temperature –10°C ~ 40°C)
WHT-BLK
Outdoor fan
BLK-RED
motor
WHT-BLK
BLK-RED
E1
E1
E1
Check method and criterion
Normal
MUH-07/09/12RV
5kΩ ~ 60kΩ
Normal
MU-07RV MU-09RV MU-12RV
3.68~4.51Ω
C-R 3.55~4.35Ω
C-S 5.08~6.22Ω 5.03~6.16Ω
Normal
MUH-07RV MUH-09RV MUH-12RV
3.68~4.51Ω
C-R 2.91~3.56Ω
5.08~6.22Ω 5.11~6.26Ω
C-S
Normal
MU-07/09RV
227~279Ω
339~416Ω
Normal
MUH-07/09RV
227~279Ω
339~416Ω
Abnormal
Opened or short-circuited
Abnormal
1.87~2.30Ω
Opened or short-circuited
3.44~4.22Ω
Abnormal
1.87~2.30Ω
Opened or short-circuited
3.44~4.22Ω
Abnormal
MU-12RV
155 ~ 191Ω
Opened or short-circuited
363 ~ 445Ω
Abnormal
MUH-12RV
155 ~ 191Ω
Opened or short-circuited
363 ~ 445Ω
129
Figure
WHT
C
P
AUX. MAIN
S
R
BLK
RED
MAIN
AUX.
P
BLK RED WHT
P INNER PROTECTOR