Mitsubishi Mr.SLIM SLZ-KA25VAQ Technical & Service Manual page 23

8-7. TROUBLE CRITERION OF MAIN PARTS
SLZ-KA25VAQ.TH
SLZ-KA25VAQR1.TH
SLZ-KA25VAQ2.TH
Part name
Room temperature
thermistor
(TH1)
Pipe temperature
thermistor/liquid
(TH2)
Condenser/evaporator
temperature thermistor
(TH5)
Indoor fan motor
(MF)
P
BLK BLU YLW BRN RED ORN
WHT
: Thermal fuse 141 ± 3°C
Vane motor (MV)
White
M
Orange
Red
Blue Yellow
Drain pump (DP)
Relay
connector
Yellow
1
2
Yellow
Drain sensor (DS)
1
2
3
OCH493D
SLZ-KA35VAQ.TH
SLZ-KA35VAQR1.TH
SLZ-KA35VAQR2.TH
Check method and criterion
Measure the resistance with a tester.
(Part temperature 10 °C ~ 30 °C)
Normal
4.3k ~ 9.6k
Measure the resistance between the terminals with a tester.
(Coil wiring temperature 10 °C ~ 30 °C)
KA25VAQ
WHT-BLK 386~428
BLK-BLU 81~91
BLU-YLW 28~32
BRN-RED 157~174
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20 °C ~ 30 °C)
Connector
Red — Yellow
Red — Blue
Red — Orange
Red — White
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20 °C ~ 30 °C)
Normal
290
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)
Normal
0.6k ~ 6.0k
SLZ-KA50VAQ.TH
SLZ-KA50VAQR1.TH
SLZ-KA50VAQR2.TH
Abnormal
Opened or short-circuited
Normal
KA35VAQ
KA25VAQ2
373~413
155~172
44~49
302~335
Normal Abnormal
300 Open or short
Abnormal
Open or short
Abnormal
Open or short (Refer to the next page for a detail.)
23
Abnormal
KA50VAQ
308~341
Opened or
135~151
short-circuited
44~49
293~324