MC11 Control Unit
Troubleshooting
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8. Troubleshooting
This chapter describes troubleshooting methods for fixing problems. If you experience an error that
is not listed in this table, please contact your supplier.
CAUTION
Only qualified specialists who have received electrician training should carry out trou-
bleshooting and repairs.
Problem
Possible cause
Solution
The drive or control
unit is not functioning.
There is no mains supply volta-
ge.
Connect the mains power.
The drive or control unit is defec-
tive.
Please contact your supplier or sa-
les agent.
The drive is suddenly
not capable of move-
ment.
The overheating protection or
system protection has been trig-
gered.
Remove the overload (change or
remove the load).
Allow the system to rest for 20 to
30 minutes with the mains power
unplugged.
If this does not resolve the prob-
lem, contact your supplier or distri-
butor.
The unit's fuse may have been
triggered.
Please contact your supplier or sa-
les agent.
There is no mains supply volta-
ge.
Connect the mains power.
A lead-in connection has been
interrupted (mains power, auxilia-
ry drive or handset).
Check the cables and reinsert
them, if required.
