Table 28: Description of Extended Status Word (continued)
Bit Hex Dec Ext. status word Ext. status word 2 Ext. status word 3
Parameter 16-94 Ext. Status
Word
Parameter 16-95 Ext. Status
Word 2
Parameter 16-99 Ext. Status
Word 3
30 40000000 1073741824 – – –
31 80000000 2147483648 DB busy – –
5.2 List of Warnings and Alarms
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
l 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.
WARNING 3, No Motor
Cause
No motor is connected to the output of the drive.
Troubleshooting
l Check the cable connection between the drive and the motor.
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
l Check the supply voltage and supply currents to the drive.
WARNING/ALARM 7, DC Overvoltage
Cause
If the DC-link voltage exceeds the limit, the drive trips after a time.
Troubleshooting
l Extend the ramp time.
l Change the ramp type.
314 | Danfoss A/S © 2024.01 AU275649936274en-001401 / 130R0507
Programming Guide | VLT® AutomationDrive FC 360
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