Danfoss VLT AutomationDrive FC 360 Programming Manual page 328

Programming Guide | VLT® AutomationDrive FC 360
WARNING 127, Back EMF too High
Cause
This warning applies to PM motors only. When the back EMF exceeds 90% x U
normal level within 5 s, this warning is reported. The warning remains until the back EMF returns to a normal level.
Troubleshooting
Check the settings in parameter group 1-2* Motor Data.
l
WARNING 157, POWER LIMIT MOT
Cause
The output power exceeds the value defined in parameter 4-82 Power Limit Motor Mode.
Troubleshooting
Check if parameter 4-82 Power Limit Motor Mode is set too small to fit the application.
l
Check if actual motoric load is bigger than parameter 4-82 Power Limit Motor Mode.
l
WARNING 158, POWER LIMIT GEN
Cause
The output power exceeds the value defined in parameter 4-83 Power Limit Generator Mode.
Troubleshooting
Check if parameter 4-83 Power Limit Generator Mode is set too small to fit the application.
l
Check if actual generic load is bigger than parameter 4-83 Power Limit Generator Mode.
l
ALARM 250, New Spare Part
Cause
The power or switch mode supply has been exchanged.
Troubleshooting
Contact the local supplier.
l
ALARM 251, New Type Code
Cause
The drive has a new type code.
Troubleshooting
Contact the local supplier.
l
326
| Danfoss A/S © 2024.01
(overvoltage threshold) and does not drop to a
invmax
AU275649936274en-001401 / 130R0507