14
Troubleshooting and Resolution
Warning and error messages
Warning and error messages displayed on the hand switch (only
3 842 540 120) are generated by the control and provide information on
possible malfunctions and their causes.
Warning messages
Dis-
play
Reason
Solution
A 64
Forced reset, the control must be
initialized.
24
A 65
The safety lock is activated. In
order to move the table, you must
deactivate the safety lock.
The safety lock is activated or
deactivated by pressing the M
button for 10 seconds.
A 69
The control strip (impact
protection) is not connected or is
defective.
Workstation without accessory
upright (T3 = 0): Insert the contact
bridge or exchange it.
Workstation with accessory upright
(T3 > 0): Connect the control strip
or exchange it.
A 6F
Monitoring of movement
Notify the service department
A 70
Hall sensor; no signal
Notify the service department
A 71
Hall sensor; wrong motor direction
Notify the service department
A 72
Motor missing/no connection
Notify the service department
A 73
Motor missing/no power
Notify the service department
A C9
The drives were operated longer
than permissible. To protect the
control from overheating, operation
is blocked for a few minutes.
After the protection time is over, the
drives can be moved again.
A CA
Overheating
After the protection time is over, the
drives can be moved again.
Error messages
Dis-
play
Reason
Solution
E 69
Short circuit – safety strip.
Notify the service department
E 6A
Short circuit – hand switch
connection.
Notify the service department
E D4
Short circuit in the Hall sensor of
one or more drives.
Notify the service department
E D7
Short circuit in the supply voltage
of one or more drives.
Notify the service department
3 842 546 327/2013-04
| MPS
Bosch Rexroth AG
25/30
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06.05.2013 08:14:14
