
ECODRIVE Drive Controller DKC02.1
3-2 Warning Diagnostic Messages DOK-ECODRV-SSE-03VRS**-WAR1-EN-P • 12.96
Remedial action:
Verify motor rating. Check whether the drive conditions of a system that
has been used for a long time have changed in the meantime (pollution,
friction, moved masses, etc.).
E252 Bleeder Overtemperature Warning
Description: (see Cause:)
Cause:
The energy recovered from the motor loads the brake resistance in the
DKC to approximately 90%. The bleeder overtemperature warning
indicates that a bleeder overload must be expected if the recovered
energy continues rising.
Remedial action:
Reduce the acceleration values and/or the velocity, and check drive
rating.
E253 Target position out of travel zone
Cause:
For "drive-internal interpolation" mode, the system checks whether the
specified S-0-0258, Target Position is inside the possible travel range of
the drive. This is defined by the two parameters S-0-0049, Positive
position limit value and S-0-0050, Negative position limit value.
The message E253 is generated and the warning bit 13 in S-0-0012,
Class 2 Diagnostics set if the target position is outside the travel range.
Remedial action:
Check the specified S-0-0258, Target Position, and correct it if
necessary.
E254 Not Homed
Description:
If "absolute position blocks" are selected in "block-controlled mode", the
drive must be homed. An absolute position cannot be approached if this
is not the case. The drive rejects the positioning block and stops. This
warning is issued.
Cause:
An absolute positioning block has been selected without the drive being
homed.
Remedial action:
1. Home the drive
2. Select a "relative positioning block"
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