Mitsubishi Electric SLH Series Technical & Service Manual page 61

4. Trouble criterion of main parts
SLH-1AR.TH SLH-1.6AR.TH
SLH-1AR .TH SLH-1.6AR
1
SL-1AR.TH SL-1.6AR.TH
SL-1AR.TH-T SL-1.6AR.TH-T
Part name
Room temperature
thermistor
(RT11)
Indoor coil thermistor
(RT12)
Indoor fan motor
(MF)
P
BLK BLU YLW BRN RED ORN
WHT
Vane motor (MV)
4
White
M
2
Orange
1
Red
5 3
Blue Yellow
Drain pump (DP)
Yellow
1
2
Yellow
Drain sensor (DS)
1
2
3
SLH-2AR.TH
.TH SLH-2AR
1
SL-2AR.TH
SL-2AR.TH-T
Check method and criterion
Measure the resistance with a tester.
(Part temperature 10°C ~ 30°C)
Normal
4.3kΩ~9.6kΩ
Measure the resistance between the terminals with a tester.
(Coil wiring temperature 10°C ~ 30°C)
1AR
WHT-BLK 296~320
BLK-BLU 55~59
BLU-YLW 34~36
YLW-BRN 37~41
BRN-RED 260~282
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20:~30:)
Connector
Red — Yellow
Red — Blue
Red — Orange
Red — White
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20:~30:)
Normal
290"
Measure the resistance between the terminals using a tester.
(Surrounding temperature 10:~30:)
Normal
0.6k"~6.0k"
61
.TH
1
Abnormal
Opened or short-circuited
Normal
1.6AR
309~399
107~115
47~51
44~48
299~323
Normal Abnormal
300" Open or short
Abnormal
Open or short
Abnormal
Open or short (Refer to the thermistor)
Abnormal
2AR
305~329
85~92
Opened or
50~54
short-circuited
43~47
289~313