Mitsubishi Electric Mr.Slim PUZ-HA42NKA Service Manual page 29

Check Code
Abnormal point and detection method
Too low superheat due to low discharge
temperature
Outdoor fan motor
Overvoltage error
Undervoltage error
Input current sensor error/
L1-phase open error
OCH567
1
-
2
3
4
5
1
2
- :
1
2
3
4
1
2
3
4
5
6
1
2
Case
12
-
3
-
4
5
1
2
3
1
2
3
4
1
2
3
4
5
6
1
2
Judgment and action
-
1
-