7 Troubleshooting
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278
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Fault
Code
Name Possible Causes Solution Level
Err36
RUN contactor
feedback
abnormal
Subcode 101: The feedback of
the RUN contactor is active,
but the contactor has no
output.
◆
Check whether the feedback contact of the
contactor acts properly.
◆
Check the signal feature (NO, NC) of the
feedback contact.
5A
Subcode 102: The controller
outputs the RUN signal but
receives no RUN feedback.
Subcode 104: When both
feedback signals of the RUN
contactor are enabled, their
states are inconsistent.
Subcode 105: The feedback
of the RUN contactor is active
before re-leveling is enabled.
Subcode 103: The current of
the asynchronous motor from
the acceleration segment to
the constant speed segment is
◆
Check whether the output cables UVW of the
controller are connected properly. Check
whether the control circuit of the RUN con-
tactor coil is normal.
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