12
11-2. TROUBLE CRITERION OF MAIN PARTS
MUH-GD80VB
Part name
Figure
Check method and criterion
Measure the resistance between the terminals with a tester.
(Part temperature –10°C ~ 40°C)
Compressor (MC)
INNER
PROTECTOR
160± 5°C OPEN
90±10°C CLOSE
Normal
Terminal
C – R
C – S
0.56
Ω
~ 0.71
Ω
1.43
Ω
~ 1.76
Ω
R.V. coil (21S4)
LEV (Expansion valve)
Measure the resistance between the terminals with a tester.
(Part temperature –10°C ~ 40°C)
Normal
2.673 k
Ω
~ 3.268 k
Ω
Color of lead wire
WHT – RED
RED – ORN
YLW – BRN
BRN – BLU
Normal
41.0
Ω
~ 49.0
Ω
Measure the resistance with a tester.
(Part temperature : –10°C ~ 40°C)
Measure the resistance with a tester.
(Part temperature –10°C ~ 40°C)
Discharge temperature
thermistor (RT62)
Ambient temperature
thermistor (RT63)
Measure the resistance with a tester.
Before measurement, hold the thermistor with your hands to warm it up.
(Part temperature 0°C ~ 40°C)
Measure the resistance with a tester.
(Part temperature –10°C ~ 40°C)
Defrost thermistor
(RT61)
Reference value
Measure the resistance between the terminals with a tester.
(Part temperature –10°C ~ 40°C)
Color of
lead wire
WHT – BLK
BLK – YLW
YLW – RED
55
Ω
~ 68
Ω
49
Ω
~ 61
Ω
22
Ω
~ 29
Ω
Normal
Outdoor fan motor (MF)
INNER
PROTECTOR
135± 5°C OPEN
( 83±15°C CLOSE )
Refer to 11-4. "Test point diagram and voltage", "Outdoor deicer P.C. board",
the chart of thermistor.
Refer to 11-4. "Test point diagram and voltage", "Outdoor deicer P.C. board",
the chart of thermistor.
Refer to 11-4. "Test point diagram and voltage", "Outdoor deicer P.C. board",
the chart of thermistor.
RED ORN WHT
YLW
BLK
MAIN
AUX.1AUX.2
C
P
P
~
BLK
R
MAIN
AUX.
RED
S
C
WHT
LEV
: INNER PROTECTOR
P
