Drive Overload 2 (Ambient Temperature)
Yaskawa · E7 Drive
What does OL2 mean?
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.
Complete Troubleshooting Guide
- 1
Measure the ambient temperature inside the drive enclosure and compare it to the drive's specifications and L8-12 setting.
- 2
Improve ventilation in the enclosure, clear any blocked vents, or consider additional cooling (e.g., air conditioning).
- 3
If applicable, ensure the drive is not subjected to direct sunlight or external heat sources.
- 4
Verify that parameter L8-12 (Ambient Temperature Setting) accurately reflects the installation environment's conditions.