(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. out-door suction pipe temp.
ࠞ
Temperature (˚C)
Resistance (k
)
30
25
20
15
10
5
30
20
10
40
50
60
70
0
-10
Discharge pipe and power transistor sensor
temperature characteristics
Indoor fan motor error
Broken sensor wire,
connector poor connection
0
0
20
40
60
80
100
120 135
20
40
60
80
100
120
140
160
180
Temperature (˚C)
Resistance (k
)
Defective fan motor, connector poor
connection, defective indoor PCB
220 for the fan motor and indoor PCB check proc-
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 PCB.)
-
214
-
'17 • SCM-T-225