9
Inverter overload
Danfoss · VLT 2800 Variable Speed Drive
What does 9 mean?
The electronic thermal protection for the inverter indicates that the drive is close to disconnecting due to prolonged high output current. The internal counter gives a warning at 98% and trips at 100%. The drive cannot be reset until the counter drops below 90%.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
Ensure adequate cooling for the drive, checking for blocked ventilation or high ambient temperatures.
Source: Danfoss VLT 2800 Variable Speed Drive
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