'18 • SRK-SM-259
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27
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(7) Inspection procedures corresponding to detail of trouble
Sensor error
Sensor temperature characteristics (Room
temp., indoor heat exchanger temp., out-
door heat exchanger temp., outdoor air
temp.)
Temperature (˚C)
Resistance (k )
30
25
20
15
10
5
30
20
10
40 50 60
70
0
-
10
Discharge pipe sensor temperature characteristics
Indoor fan motor error
Broken sensor wire,
connector poor connection
0
020406080 100 120 135
20
40
60
80
100
120
140
160
180
Temperature (˚C)
Resistance (k )
Defective fan motor, connector poor
connection, defective indoor unit PCB
32 for the fan motor and indoor unit PCB check
unit
unit
unit
unit
Power source reset
Is it normalized?
Malfunction by temporary noise
Replace fan motor. (If the
error persists after replacing
the fan motor, replace the
indoor unit PCB.)
pro
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