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5 Troubleshooting
5
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
RUN contactor is
active before re-
leveling begins.
Subcode 103:
The current of the
asynchronous motor
from acceleration
to constant-speed
running is too small (ā¤
0.1 A).
⢠Check whether the output cables UVW of the
controller are connected properly.
⢠Check whether the control circuit of the RUN
contactor coil is normal.