REXROTH DIAX04, Troubleshooting Manual

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DIAX04 ELS-06VRS Description of Diagnostic Letters F... and E...
4-39
DOK-DIAX04-ELS-06VRS**-WA01-EN-P
E834 Emergency-Stop
Pressing the emergency stop switch has caused the drive to perform the
error reaction that had been selected via the
P-0-0119, Best possible
deceleration parameter. There is no error message issued to the
controller.
Cause:
The emergency stop switch was pressed.
Remedy:
Eliminate the malfunction that led to the activation of the emergency stop
switch. The warning will then disappear.
See also the functional description: "Emergency stop feature".
E843 Positive limit switch activated
The drive has received a command value which resulted in an axis
position outside the positive travel range. The axis has been brought to a
standstill by setting the velocity command to zero. A class 1 diagnostic
error is not generated. The drive will automatically follow command values
that lead back into the allowed range. Bit 2 of
P-0-0090, Travel limit
parameter is set to "Overtravelling is handled as a warning".
Cause:
The positive limit switch has been activated.
Remedy:
Enter command values that lead back into the allowed range.
See also the functional description: "Travel Zone Limit Switch Monitoring".
E844 Negative limit switch activated
The drive has received a command value which resulted in an axis
position outside the negative travel range. The axis has been brought to a
standstill by setting the velocity command to zero. A class 1 diagnostic
error is not generated. The drive will automatically follow command values
that lead back into the allowed range. Bit 2 of
P-0-0090, Travel limit
parameter is set to "Overtravelling is handled as a warning".
Cause:
The negative limit switch has been activated.
Remedy:
Enter command values which lead back into the allowed range.
See also the functional description: "Travel Zone Limit Switch Monitoring".