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(7) Inspection procedures corresponding to detail of trouble
Sensor error
Discharge pipe and power transistor sensor
temperature characteristics
180
160
140
120
100
80
60
40
20
0
0
20
Indoor fan motor error
Power source reset
Is it normalized?
Malfunction by temporary noise
40
60
80
100
120
Temperature (˚C)
Replace fan motor. (If the
error persists after replacing
the fan motor, replace the
indoor PCB.)
Sensor temperature characteristics Room
temp., indoor heat exchanger temp., out-
door heat exchanger temp., outdoor air
temp. out-door suction pipe temp.
135
214
-
-
'17 • SCM-T-225
Broken sensor wire,
connector poor connection
30
25
20
15
10
5
- 10
0
10
20
30
40
Temperature (˚C)
Defective fan motor, connector poor
connection, defective indoor PCB
220 for the fan motor and indoor PCB check proc-
50
60
70
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