Alarms, faults and system messages
11.6 List of alarms and faults
Converter with control units CU250D-2
316 Operating Instructions, 04/2014, FW V4.7, A5E34261542B AA
A07455 Maximum velocity limited The maximum velocity (p2571) is too high to correctly calculate the
modulo correction. Remedy:
• Reduce the maximum velocity (p2571).
• Increase the sampling time for positioning (p0115[ 5]).
A07456 Setpoint velocity limited The actual setpoint velocity is greater than the parameterized maximum
velocity (p2571), and is therefore limited. Remedy:
• Check the entered setpoint velocity.
• Reduce the velocity override (CI: p2646).
• Increase the maximum velocity (p2571).
A07457 Combination of input signals is not
permissible
An illegal combination of input signals, which are simultaneously set was
detected, e.g.:
• Jog 1 and jog 2 (p2589, p2590).
• Jog 1 or jog 2 and direct setpoint input/MDI (p2589, p2590, p2647).
• Jog 1 or jog 2 and start referencing (p2589, p2590, p2595).
• Jog 1 or jog 2 and activate traversing task (p2589, p2590, p2631).
• Direct setpoint input/MDI and start referencing (p2647, p2595).
• Direct setpoint input/MDI and activate traversing task (p2647, p2631).
• Start referencing and activate traversing task (p2595, p2631).
F07458 Reference cam not found After starting the reference point approach, the axis has traversed
through the maximum permissible distance to search for the reference
cam without finding the reference cam. Remedy:
• Check the "reference cam" binector input (BI: p2612).
• Check the maximum permissible distance to the reference cam
(p2606).
• If axis does not have a reference cam, then set p2607 to 0.
F07459 No zero mark available After leaving the reference cam, the axis traversed through the maximum
permissible distance between the reference cam and zero mark without
finding the zero mark. Remedy:
• Check the encoder regarding the zero mark.
• Check the maximum permissible distance between the reference cam
and zero mark (p2609).
• Use an external encoder zero mark (p0494).
F07460 End of reference cam not found During the reference point approach, the axis, when approaching the zero
mark, has reached the end of the traversing range without identifying an
edge at the binector input "Reference cam" (BI: p2612). Remedy:
• Check the "reference cam" binector input (BI: p2612).
A07462 Selected traversing block number
Correct the traversing program.
A07463 External block change not
requested in the traversing block
Resolve the reason why the edge is missing at binector input (BI: p2632).
F07464 Traversing block is inconsistent Check the traversing block and, if necessary, take into consideration any
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