Mitsubishi Electric MCFH-13NV-E3 Service Manual page 29

2. Trouble criterion of main parts
MCFH-13NV -
E3
Part name
Room
Measure the resistance with a tester.
temperature
(Part temperature 10°C ~ 30°C)
thermistor
Indoor coil
thermistor
Measure the resistance with a tester.
(Part temperature -10°C ~ 40°C)
Defrost
thermistor
Measure the resistance between the terminals with a tester.
(Coil wiring temperature -10°C ~ 40°C)
Compressor
C-R
C-S
Measure the resistance between the terminals with a tester.
(Coil wiring temperature10°C ~ 30°C)
Indoor fan
motor
Measure the resistance between the terminals with a tester.
(Coil wiring temperature -10°C ~ 40°C)
Outdoor fan
motor
WHT-BLK
BLK-RED
Measure the resistance between the terminals with a tester.
(Part temperature10°C ~ 30°C)
Vane
motor
Check method and criterion
Normal
8kΩ ~ 20kΩ
Normal
5kΩ ~ 60kΩ
Normal
1.86~2.28Ω
3.50~4.29Ω
WHT-BLK
BLK-YLW
YLW-BLU
BLU-BRN
BRN-RED
Normal
155 ~ 191Ω
363 ~ 445Ω
Resistant per phase
Abnormal
Opened or short-circuited
Abnormal
Opened or short-circuited
Normal
175~190Ω
66.1~71.6Ω
45.6~49.4Ω
short-circuited
30.2~32.7Ω
21.9~23.8Ω
Normal
329~357Ω
short-circuited
29
Abnormal
Opened or
short-circuited
Abnormal
Opened or
Abnormal
Opened or
short-circuited
Abnormal
Opened or
: INNER THERMOSTAT
P
Figure
WHT
C
P
S
R BLK
RED
P
GRN
YLW
MAIN
AUX
P
BLK RED WHT
PNK
ROTOR
RED
ORN
YLW BRN BLU