6021: Low level at controller enable input

Info:
Data type:

Description:
Runtime error in the hardware monitor using the 'switch on controller' command or while the controller is active. The controller enable input is not being supplied with enough voltage.

Reaction:
When 'switch on controller' command: See error number 4005.

When controller is active:
Movement stop by switching off the IGBT output stage and switching on the holding brake.
The 'controller ready' state is reset.

Cause/Remedy:
Triggered by external operation or external factors (application program or manual operation).
False triggering due to defective hardware or malfunctions (broken connection, line termination, wiring error, control hardware defective or failed, ACOPOS 24VDC supply voltage, malfunctions). See also wiring guidelines error number 7030.
ACOPOS hardware defect.