Danfoss VLT FC 103 Operating Manual page 80

Maintenance, Diagnostics, a...
Symptom
AC drive
deceleration
problems
Table 8.5 Troubleshooting
8 8
78
Possible cause
Motor data are entered
incorrectly.
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VLT® Refrigeration Drive FC 103
Test
If warnings or alarms occur, see
chapter 8.5 List of Warnings and Alarms.
Check that motor data are entered correctly.
Solution
Increase the ramp-down time in
parameter 3-42 Ramp 1 Ramp-down Time.
Enable overvoltage control in
parameter 2-17 Over-voltage Control.
MG16P222