Mitsubishi PUHZ-SHW80YAA Service Manual page 23

Abnormal point and detection method
Check code
Compressor overcurrent interruption
Remote controller transmission error (E0)/
signal receiving error (E4)
1
1
2
Remote controller control board
1
2
OCH651
Cause
1
2
3
4
5
6
7
8
9
1
2
3
4
5
1
Judgment and action
1
2
3
4
5
6
7
8
9
1
2
o
3
1
1–3,