Mitsubishi Heavy Industries SRK100VNXWZRF Service Manual page 36

(iv) Inspection procedures corresponding to detail of trouble
Sensor error
Sensor temperature characteristics (Room air
temperature, indoor heat exchanger temperature)
30
25
20
15
10
5
-
- 10
0 10
Indoor fan motor error
unit
unit
Power source reset
Is it normalized?
Malfunction by temporary noise
20 30 40 50 60 70
Temperature (˚C)
unit
Replace fan motor. (If the
error persists after replacing
the fan motor, replace the
indoor unit PCB.)
.
procedure.
35
- -
'09•SRK-DB-087D
'22 • PAC-SM-422
Broken sensor wire,
connector poor connection
Defective fan motor, connector poor
connection, defective indoor unit PCB
.
37 for the fan motor and indoor unit PCB check
unit