Troubleshooting
System ID21
70
78438 7.0
9. 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 or sales agent.
CAUTION
Only qualified specialists who have received electrician training should carry out troubleshooting
and repairs.
9.1 Malfunctions
Problem
Possible cause
Solution
The drives are not
functioning.
There is no mains supply
voltage.
Connect the mains power supply.
The drives are not connected.
Connect the motor's connecting
cable to the control unit.
A plug has a bad contact.
Make sure that the motor cable, the
power supply and the control key-
pad are properly and firmly con-
nected.
A control unit or a control
keypad is defective.
Please contact your supplier or
sales agent.
The drives are running
in only one direction.
There was a power outage dur-
ing an adjustment movement or
the power cable was discon-
nected during a movement.
Carry out the reset movement.
The control unit, drive, or control
keypad is defective.
Please contact your supplier or
sales agent.
The control unit or
control keypad is not
functioning properly.
There is no mains supply
voltage.
Connect the mains power supply.
The control keypad is not
connected.
Connect the control keypad.
The control unit, power cable or
control keypad is defective.
Please contact your supplier or
sales agent.
A plug has a bad contact.
Make sure that the plugs are firmly
seated and properly connected.
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