Table 29: Internal Fault List (continued)
Fault number Cause Solution
3840 Serial flash version error. Upgrade the software in the drive to the latest version.
4608 Drive power size error. Upgrade the software in the drive to the latest version. If the
alarm occurs again, contact a Danfoss supplier.
5632 Option hardware version error. The hardware version of the option or the fieldbus variant is not
compatible with the drive software.
5888 Option software version error. The software version of the option or the fieldbus variant is not
compatible with the drive software. Change either the fieldbus
software or the drive software.
6144 The option is not supported. Check if the product supports this option.
6400 Option combination error. Remove the option.
Other Other internal faults. Power cycle the drive. If the alarm occurs again, contact a Dan-
foss supplier.
Troubleshooting
l See the above table for the causes and solutions for different internal faults. If the fault persists, contact the Danfoss supplier or
service department for assistance.
WARNING 40, Overload T27
Troubleshooting
l Check the load connected to terminal 27 or remove the short-circuit connection.
l Check parameter 5-00 Digital I/O Mode and parameter 5-01 Terminal 27 Mode.
WARNING 41, Overload T29
Troubleshooting
l Check the load connected to terminal 29 or remove the short-circuit connection.
l Check parameter 5-00 Digital I/O Mode and parameter 5-02 Terminal 29 Mode.
ALARM 46, Gate Drive Voltage Fault
Cause
The supply for the gate drive on the power card is out of range. It is generated by the switch mode supply (SMPS) on the power card.
Troubleshooting
l Check for a defective power card.
WARNING/ALARM 47, 24 V Supply Low
Cause
The 24 V DC is measured on the control card.
Troubleshooting
l Check for a defective control card.
320 | Danfoss A/S © 2024.01 AU275649936274en-001401 / 130R0507
Programming Guide | VLT® AutomationDrive FC 360
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