7) Inspection Procedures Corresponding To Detail Of Trouble - Mitsubishi Heavy Industries SRR25ZM-S Technical Manual

(7) Inspection procedures corresponding to detail of trouble

Sensor error
Discharge pipe 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.)
30
25
20
15
10
135

- -
'09•SRK-DB-087D
'15 • SR-T-185
Broken sensor wire,
connector poor connection
5
- 10
0 10 20 30 40
Temperature (˚C)
Defective fan motor, connector poor
connection, defective indoor PCB
60 for the fan motor and indoor PCB check pro-
50 60 70