Service manual

46
Measure the resistance between the terminals with a tester.
(Part temperature14°F ~ 104°F)
Outdoor fan
motor(MF61)
INNER
PROTECTOR
266I 14°F OPEN
174I 30°F CLOSE
Vane motor(MV)
Measure the resistance between the terminals with a tester.
(Part temperature 50°F ~ 86°F)
RED
AUX.
MAIN
BLK
WHT
P
Normal
169~208Ω
246~301Ω
WHT-BLK
BLK-RED
Abnormal
Open or
short-circuit
Normal
39 ~ 56Ω
WHT-RED
(CN724)
RED-ORN
Abnormal
Open or
short-circuit
YLW-BRN
BRN-BLU
YLW
RED
BLU
ORN
PNK
ROTOR
MSZ12UN
MSZ09UN
RED
YLW
BRN
ORN
GRN
ROTOR
PP
:INNER PROTECTOR
R.V. coil
(21S4)
Expansion
valve (LEV)
Measure the resistance between the terminals with a tester.
(Part temperature :14°F~104°F)
Normal
1.2kΩ ~ 1.6kΩ
Abnormal
Open or short-circuit
Measure the resistance with a tester.
(Part temperature : 14°F~104°F)
LEV
WHT6
RED1
ORG4
YLW5
BRN2
BLU3
Part name
Check method and criterion Figure
Color of lead wire
Normal
Abnormal
Open or
short-circuit
MSZ09UN
BRN-other one
MSZ12UN
RED-other one
282 ~ 306Ω
358 ~ 388Ω
OB297--2.qxp 04.2.4 4:21 PM Page 46