Mitsubishi Electric Mr.Slim PUZ-HA42NKA Service Manual page 38

Split-type, heat pump air conditioners r410a
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Check Code
Abnormal point and detection method
M-NET NO RESPONSE
10-5. TROUBLESHOOTING BY INFERIOR PHENOMENA
Phenomena
OCH567
1
2
-
3
4
Factor
1
2
1
2
3
4
1
Case
1
2
-
2
1
-
2
1
2
3
4
1
Judgment and action
Countermeasure
-

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