Heatsink Overtemperature Shutdown

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The temperature of the heatsink in the ECODRIVE DKC01.1/DKC11.1 drive controller has reached the maximum allowable temperature. After 30 seconds of this condition, the drive reacts according to parameter P-0-0119 (Best Possible Deceleration) to bring the motor to a standstill.

• Deficiency of the drive's internal blower.
• Deficiency of the control cabinet’s climate control.
• Incorrect control cabinet dimensioning regarding the head ventilation.

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1. 1

   Reduce the ambient temperature, for example, by improving the cooling of the control cabinet.

2. 2

   Remove any obstruction or dirt from the drive's heatsink to ensure proper airflow.

3. 3

   Verify the drive controller is installed vertically and has a large enough area for proper heatsink ventilation.

4. 4

   If the internal blower is deficient, the drive controller DKC01.1/DKC11.1 must be exchanged.