User Manual 08/2003 Edition

6
6 Fault Handling and Diagnostics 02.99 08.03
6.2 Faults and warnings
809 / P953.9 Program cannot be started
Cause Drive not enabled.
Invalid block number selected.
Enable signals missing.
A traversing block is already being processed.
STW.11 (start referencing) is set.
Traversing block with absolute position data and drive not referenced.
Positioning mode not enabled (STW.4, STW.5)
Note:
Additional information? ––> evaluate P954
Remedy –
Acknowledgement not required
Stop response None
810 / P953.10 Invalid program selection
Cause An attempt was made to either select block 0 or a block > 27.
Remedy Select valid block (1 to 27).
Acknowledgement not required
Stop response None
811 / P953.11 Speed limiting active
Cause The required axis velocity requires a higher speed than that specified in
P8 (max. speed).
Up to SW 1.5:
The velocity is limited to the maximum speed.
SW 1.6 and higher:
P24 ”Override speed” is limited so that maximum speed is used.
Remedy Enter lower velocity.
Adapt P10 (max. velocity).
Adapt P8 (max. speed).
Acknowledgement not required
Stop response None
812 / P953.12 Undervoltage of the load current supply
Cause SW 1.6 and higher:
The load voltage has fallen below 17 V.
The load power supply is overloaded.
SITOP: The load voltage was powered-down when braking due to overvoltage.
Remedy Increase load power supply rating.
SITOP: Provide regenerative feedback protection.
Acknowledgement not required
Stop response None
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SIMODRIVE POSMO A User Manual (POS1) – 08.03 Edition