Mitsubishi SRK63ZEA-S1, Technical Manual

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48
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(4) Troubleshooting procedure (If the air conditioner runs)
NO
NO
NO
NO
YES
YES
YES
YES
Note (1) Even in cases where only intermittent stop data are generated, the air conditioning system is normal. However, if the same protective operation recurs
repeatedly (3 or more times), it will lead to customer complaints. Judge the conditions in comparison with the contents of the complaints.
Confirm the contents of the customer complaint.
Check the self-diagnosis display.
Eliminate the cause of the trouble and perform an
operation check.
The air conditioning system is operating normally.
Replace the faulty component, then perform an
operation check.
Identify the faulty component by using the check
procedure corresponding to the content of the trouble.
Using the Service Mode, access the self-diagnosis
displays generated in the past.
Using the Service Mode, access the stop history due
to protection control generated in the past.
Is there a history of stops due
to protection control?
(1)
Is there a history of self-
diagnosis display items?
Is an error code displayed by
the self-diagnosis function?
The cause of the trouble can
be specifically identified.
See pages 49.
See pages 50~53.
See pages 50~53.