59
Current Limit Exceeded
Danfoss · VLT HVAC Drive FC 102
What does 59 mean?
The drive has reached its output current limit, typically due to excessive motor load or during acceleration/deceleration. While often a warning, prolonged operation at the current limit can lead to overheating, nuisance trips, or premature component wear.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
Check motor parameters for accuracy and ensure they match the connected motor.
- 4
Ensure the drive is correctly sized for the application's peak current demands.
Source: Danfoss VLT HVAC Drive FC 102
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