Drive Overload 2 (Ambient Temperature)

Was bedeutet OL2 ?

An OL2 fault indicates that the drive's internal overload protection level has been automatically reduced because the ambient temperature around the drive exceeds its specified rating, as configured in L8-12. This protects the drive's output power components from overheating under high load conditions. Continuous operation in an overly warm environment can lead to component degradation and drive failure.

• Ambient temperature in the drive's electrical enclosure or immediate vicinity exceeds the drive's maximum specified rating.
• Inadequate ventilation or cooling within the control cabinet housing the drive, causing heat buildup.
• External heat sources (e.g., other equipment, direct sunlight) generating excessive heat near the drive.
• Blocked air circulation paths to the drive's cooling fins or obstructed exhaust vents.
• The drive is consistently operating at or near its maximum current limit in an already warm environment.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   1. Measure the ambient temperature inside the control cabinet with a thermometer and compare to the drive's specified operating range.

2. 2

   2. Verify that control cabinet cooling fans are operational and air filters are clean and unobstructed.

3. 3

   3. Ensure all drive ventilation openings are clear of dust, debris, or any physical obstructions.

4. 4

   4. Evaluate the enclosure for proper sizing, heat dissipation (e.g., active cooling or air conditioning), and airflow patterns.

5. 5

   5. Consider reducing the load on the drive or upsizing the drive if it frequently trips due to high ambient temperature conditions.