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