Drive overheating

What does OHF mean?

This fault indicates that the internal temperature of the drive has exceeded its safe operating limits. This can be due to high ambient temperature, inadequate ventilation, or excessive load.

• High ambient temperature around the drive.
• Excessive motor load causing the drive to work harder and generate more heat.
• Blocked or dirty cooling fan/heatsink on the drive.

Click steps to track your progress.

1. 1

   Measure the ambient temperature around the drive and ensure it is within specified operating limits.

2. 2

   Inspect the drive's cooling fan for proper operation and clean any dust or debris from the heatsink.

3. 3

   Reduce the motor load if it is consistently high, causing the drive to generate excessive heat.