21
6-6. TROUBLE CRITERION OF MAIN PARTS
SLZ-KA25VAQ.TH SLZ-KA35VAQ.TH SLZ-KA50VAQ.TH
Measure the resistance between the terminals with a tester.
Measure the resistance after 3 minutes have passed since the power supply was intercepted.
(At the ambient temperature 0 °C ~ 60 °C)
(Refer to the next page for a detail.)
Abnormal
Open or short
Normal
0.6k
~ 6.0k
BLK
RED ORN
YLW
BLU
BRN
WHT
P
Room temperature
thermistor
(TH1)
Condenser/evaporator
temperature thermistor
(TH5)
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 ~ 30 °C)
Pipe temperature
thermistor/liquid
(TH2)
Indoor fan motor
(MF)
Check method and criterion
Part name
Normal
KA25VAQ
Normal
WHT-BLK
BLK-BLU
BLU-YLW
BRN-RED
386~428
81~91
28~32
157~174
KA35VAQ
373~413
155~172
44~49
302~335
KA50VAQ
308~341
135~151
44~49
293~324
4.3k
~ 9.6k
Abnormal
Abnormal
Opened or
short-circuited
Opened or short-circuited
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20 °C ~ 30 °C)
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20 °C ~ 30 °C)
Vane motor (MV)
Drain pump (DP)
Drain sensor (DS)
1
2
Yellow
Yellow
1
2
3
Normal
Connector
Abnormal
300
Open or short
Normal
Abnormal
290
Open or short
Orange
Red
White
#
: Thermal fuse 141 ± 3°C
Red — Yellow
Red — Blue
Red — Orange
Red — White
Blue
Yellow
M
Relay
connector
