Error protocol
13.3 Troubleshooting
The list shows a selection of possible measures if problems occur. Not all problems listed will result in
an error message.
See chapter 13.1.1 “Error messages”.
Brake resistor connec-
tion
Check value. Reduce value if necessary.
Reduce deceleration value.
Check brake resistor connection.
Reduce deceleration value.
Check DC-link voltage limitation (P680).
DC-link voltage higher than brake chopper trigger
threshold (P506). Check value. Increase value if nec-
DC-link voltage higher than motor chopper trigger
threshold (P507). Check value. Increase value if nec-
Short-circuit or overload
The parameterizable motor circuit breaker (P571) has
been triggered. Short-circuit at motor connection or
Check load for earth fault.
Overload. Reduce load and ensure sufficient cooling.
Comply with permissible ambient conditions.
Reduce output power or switching frequency.
Electromagnetic inter-
ference
Switch-off limit (P417) exceeded. Increase value if
necessary.
Maximum frequency increase (P681) of DC-link volt-
age limitation exceeded. Increase value if necessary.
not possible.
and motor is running.
Most parameters cannot be written during operation.
Switch off enable and select "Para" menu on opera-
Select higher control level (P28).
Wait until setup is finished and the message "ready"
is displayed.
Changes disabled by
password.
Entry must correspond to password (P27).
turn after press-
ing of RUN.
For P412, select "3 - Control via keypad" or "4 - Con-
trol via keypad or contacts" (factory setting).
Check P418 (Minimum frequency) and P419 (Maxi-
Switch on both enable inputs STOA and STOB.
Check control cable connections.
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Troubleshooting 06/2013 Operating Instructions
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