Mitsubishi Electric PUZ-A18NHA6 Service Manual page 34

Check code Abnormal point and detection method
63H connector open
Miswiring of indoor/outdoor unit
connecting wire
Miswiring of indoor/outdoor unit
connecting wire (converse wiring or
disconnection)
Start-up time over
Case
1
2
3
4
1
2
3
4
5
6
7
8
1
2
4
5
6
7
8
1
2
7
8
Judgment and action
1
2
3
4
1
2
3
4–6
7
8
1–8