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Mitsubishi Electric Mr.Slim PUZ-HA42NKA Service Manual page 36

Split-type, heat pump air conditioners r410a

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Service manual (158 pages)

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Abnormal point and detection method

Check Code

NO ACK signal

OCH567

Case

1

-

2

3

2

4

5

6

1

-

2

3

1

-

2

3

4

Judgment and action

Always try the followings when the error

-

"A7" occurs.

1

2

3

-

4

5

-

6

6

-

-

-

-

-

1–5

1–5

1–5

-

-

-

1–6

-

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