Danfoss VLT FCD 302 Operating Manual page 53

Operating Guide | VLT® Decentral Drive FCD 302
Troubleshooting
Let the unit cool to operating temperature.
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Check potential DC-link fault to ground.
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WARNING/ALARM 34, Fieldbus Fault
Cause
The fieldbus on the communication option card is not working.
Troubleshooting
Check the fieldbus communication option card.
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WARNING/ALARM 36, Mains Failure
Cause
This warning/alarm is only active if the supply voltage to the drive is lost and parameter 14-10 Mains Failure is not set to [0] No function.
Troubleshooting
Check the fuses to the drive and mains supply to the unit.
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ALARM 37, Phase Imbalance
Cause
There is a current imbalance between the power units.
ALARM 38, Internal Fault
Cause
When an internal fault occurs, a code number is shown.
Table 16: Internal Fault List
Fault number Cause
0 The serial port cannot be initialized.
256–258 The power EEPROM data is defective or too old.
512–519 Internal fault.
783 Parameter value outside of the minimum/maxi-
mum limits.
1024–1284 Internal fault.
1299 The option software in slot A is too old.
1300 The option software in slot B is too old.
1302 The option software in slot C1 is too old.
1315 The option software in slot A is not supported/al-
lowed.
1316 The option software in slot B is not supported/al-
lowed.
1318 The option software in slot C1 is not sup-
ported/allowed.
1379–2819 Internal fault.
1792 Hardware reset of digital signal processor.
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Solution
Contact the supplier or service department.
Replace the power card.
Contact the supplier or service department.
Adjust the parameter value to match the limits.
Contact the supplier or service department.
Upgrade the software in the drive to the latest version.
Upgrade the software in the drive to the latest version.
Upgrade the software in the drive to the latest version.
The software version of the option or the fieldbus variant is not
compatible with the drive software.
The software version of the option or the fieldbus variant is not
compatible with the drive software.
The software version of the option or the fieldbus variant is not
compatible with the drive software.
Contact the supplier or service department.
AQ267036816112en-000301 / 130R0208 |
Operating the Drive
53