Danfoss VLT AutomationDrive FC 360 Programming Manual page 316

Programming Guide | VLT® AutomationDrive FC 360
Table 28: Description of Extended Status Word (continued)
Bit Hex Dec
30 40000000 1073741824
31 80000000 2147483648
List of Warnings and Alarms
5.2
WARNING/ALARM 2, Live Zero Error
Cause
This warning or alarm only appears if programmed in parameter 6-01 Live Zero Timeout Function. The signal on 1 of the analog inputs
is less than 50% of the minimum value programmed for that input. Broken wiring or faulty device sending the signal can cause this
condition.
Troubleshooting
Check connections on all the analog input terminals. Control card terminals 53 and 54 for signals, terminal 55 common.
l
Check that the drive programming and switch settings match the analog signal type.
l
Perform the input terminal signal test.
l
WARNING 3, No Motor
Cause
No motor is connected to the output of the drive.
Troubleshooting
Check the cable connection between the drive and the motor.
l
WARNING/ALARM 4, Mains Phase Loss
Cause
A phase is missing on the supply side, or the mains voltage imbalance is too high. This message also appears for a fault in the input
rectifier. Options are programmed in parameter 14-12 Response to Mains Imbalance.
Troubleshooting
Check the supply voltage and supply currents to the drive.
l
WARNING/ALARM 7, DC Overvoltage
Cause
If the DC-link voltage exceeds the limit, the drive trips after a time.
Troubleshooting
Extend the ramp time.
l
Change the ramp type.
l
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Ext. status word
Parameter 16-94 Ext. Status
Word
–
DB busy
Ext. status word 2
Parameter 16-95 Ext. Status
Word 2
–
–
AU275649936274en-001401 / 130R0507
Ext. status word 3
Parameter 16-99 Ext. Status
Word 3
–
–