(7) Inspection procedures corresponding to detail of trouble
Sensor error
Discharge pipe temperature sensor characteristics
180
160
140
120
100
80
60
40
20
(Short-circuit)
0
0
20
Indoor fan motor error
unit
unit
Power source reset
Is it normalized?
Malfunction by temporary noise
40
60
80
100
120
Temperature (˚C)
unit
Replace fan motor. (If the
error persists after replacing
the fan motor, replace the
indoor unit PCB.)
Temperature sensor characteristics (Room air
temperature, indoor heat exchanger
temperature, outdoor heat exchanger
temperature, outdoor air temperature)
30
25
20
15
10
(Short-circuit)
135
.
pro
32
-
-
'09•SRK-DB-087D
'22 • SRK-SM-349
Broken sensor wire,
connector poor connection
5
- 10
0
10
20
30
40
Temperature (˚C)
Defective fan motor, connector poor
connection, defective indoor unit PCB
.
37 for the fan motor and indoor unit PCB check
50
60
70
unit