ECODRIVE DKC01.1/DKC11.1 Drive Controllers
DOK-ECODRV-ASE-02VRS**-WAR1-EN-P • 07.96 Description of Diagnostic Letters F... and E... 2-11
2.2 Warning diagnostic messages
E250 Heatsink Overtemperature Warning
Description:
The temperature of the heatsink in the drive controller has reached the
maximum allowable temperature. Within a time frame of 30 seconds, the
drive follows the command value input. Consequently, there exists the
possibility to shut down the motor with the control so that it remains true to
the process. (For example close the operation, leave the collision area,
etc.) After 30 seconds, the parameter "Best Possible Deceleration, P-0-
0119" set reaction appears during operation.
Cause:
1. Deficiency of the drive's internal blower.
2. Deficiency of the control cabinet’s climate control.
3. Incorrect control cabinet dimensioning regarding the
head ventilation.
Remedy:
For 1. If the blower fails exchange the drive controller.
For 2. Install climitization feature to the cabinet.
For 3. Check the dimensions of the control cabinet.
E251 Motor Overtemperature Warning
Description:
The motor is too hot. Within in a time frame of 30 seconds, the drive
follows the command value input. Consequently, there exists the
possibility to shut down the motor with the control so that it remains true to
the process. (For example close operation, leave the collision area, etc.).
After 30 seconds, the parameter "Best Possible Deceleration, P-0-
0119" set reaction will appear during operation.
Cause:
The motor became overloaded. The effective torque required of the motor
was above the allowable standstill continuous torque for too long.
Remedy:
Check the installation of the motor. For systems which have been in use
for a long time, check to see if the drive conditions have changed (in
regards to pollution, friction, components which have been moved, etc).
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