Operating Manual
RC-3030
27
8.2
Diagnosis of Electrical Failure
Prior to any repair work on the machine or drives, the machine must be secured against
unintentional start-up. Put the machine in its Safety-off position.
Work on electrical equipment may only be undertaken by a skilled electrician or by
trained persons under the guidance and supervision of a skilled electrician in accordance
with the electrical engineering regulations.
Failure
Possible Reasons for Failure Corrective Actions
Motor does not start up
Missing Phase
Check power supply
Faulty switch or relays
Get diagnosis and replacement
by a skilled electrician
Emergency Stop
Unlock the emergency stop
button
Motor stops during
operation
Current power is too high.
Disconnect plug.
Supply circuit breaker is
disengaged.
Reset circuit breaker or replace
fuse.
Motor is damaged.
Inspect motor.