ABB ACS580MV Quick Manual page 50

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50 Fault tracing
E114
MCB control
fault
MCB close command
and MCB close
feedback does not
match.
Check if MCB has tripped on its own,
by means of short circuit protection
relay or overload protection relay and
adapt MCB protection relay settings
if required.
Check MCB control wiring between
ACS580MV and MCB.

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