27
Compressor
(MC)
INNER
PROTECTOR
MUCFH-GA35VB
155
i
5
:
OPEN
90
i
10
:
CLOSE
MUCFH-GA50VB
/GA60VB
160
i
5
:
OPEN
90
i
10
:
CLOSE
11-3. TRUBLE CRITERION OF MAIN PARTS
Part name
Outdoor fan
motor
(MF)
MUCFH-GA35VB
INNER FUSE
145
i
2
:
CUT OFF
MUCFH-GA50VB
/GA60VB
INNER
PROTECTOR
145
i
8
:
OPEN
( 88
i
15
:
CLOSE
w
)
Check method and criterion
Measure the resistance between the terminals with a tester.
(Part temperature -10°C ~ 40°C)
Measure the resistance between the terminals with a tester.
(Part temperature -10°C ~ 40°C)
Figure
P
R
C
S
RED
BLK
WHT
MAIN
AUX.
Color of lead
wire
Normal
MUCFH-GA35VB
2.46 ~ 3.01
Ω
2.96 ~ 3.63
Ω
C-R
C-S
Normal
Abnormal
Open or
short-circuit
191 ~ 231
Ω
272 ~ 330
Ω
WHT-BLK
BLK-RED
Abnormal
Open or
short-circuit
MUCFH-GA50VB
BLK
REDORN WHT
MAIN
AUX
P
: INNER PROTECTOR
P
MUCFH-GA60VB
0.84 ~ 1.04
Ω
1.82 ~ 2.24
Ω
61 ~ 74
Ω
MUCFH-GA60VB
BLK-YLW
YLW-RED
MUCFH-GA60VB
BLK
RED ORN WHT
MAIN
AUX
P
Defrost
thermistor (RT61)
Measure the resistance with a tester.
(Part temperature -10°C ~ 40°C)
Normal
5k
Ω
~ 60k
Ω
Abnormal
Open or short-circuit
Color of lead
wire
R.V. coil
(21S4)
Normal
1.94 k
Ω
~ 2.39 k
Ω
Abnormal
Open or short-circuit
Measure the resistance using a tester. (Part temperature -10°C ~ 40°C)
MUCFH-GA35VB MUCFH-GA50VB MUCFH-GA60VB
w
Reference value
MUCFH-GA50VB
MUCFH-GA35VB
70 ~ 86
Ω
74 ~ 89
Ω
MUCFH-GA50VB
1.05 ~ 1.30
Ω
2.38 ~ 2.92
Ω
MUCFH-GA35VB
WHT
RED
BLK
MAIN
AUX.
FUSE
83 ~ 100
Ω
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