Mitsubishi Electric PEAD-RP100EA, Руководство по обслуживанию

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10
TROUBLESHOOTING
<Error code display by self-diagnosis and actions to be taken for service (summary)>
Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit.
Actions to be taken for service and the inferior phenomenon reoccurrence at field are summarized in the table below. Check
the contents below before investigating details.
10-1. TROUBLESHOOTING
Unit conditions at service Error code Actions to be taken for service (summary)
The inferior phenomenon is
reoccurring.
Displayed
Not displayed
Judge what is wrong and take a corrective action
according to “SELF-DIAGNOSIS ACTION TABLE” (10-2).
Identify the cause of the inferior phenomenon and take
a corrective action according to “TROUBLESHOOTING
BY INFERIOR PHENOMENA ” (10-3).
The inferior phenomenon is
not reoccurring.
Logged
Not logged
1
Consider the temporary defects such as the work of
protection devices in the refrigerant circuit including
compressor, poor connection of wiring, noise and etc.
Re-check the symptom, and check the installation
environment, refrigerant amount, weather when the
inferior phenomenon occurred, and wiring related.
2
Reset error code logs and restart the unit after finishing
service.
3
There is no abnormality in electrical components,
controller boards, and remote controller.
1
Recheck the abnormal symptom.
2
Identify the cause of the inferior phenomenon and take
a corrective action according to “TROUBLESHOOTING
BY INFERIOR PHENOMENA ” (10-3).
3
Continue to operate unit for the time being if the cause
is not ascertained.
4
There is no abnormality in electrical components,
controller boards, remote controller etc.