Danfoss VLT AutomationDrive FC 301 Programming Manual page 845

Programming Guide | VLT® AutomationDrive FC 301/FC 302
Motor phase V between the drive and the motor is missing.
Troubleshooting
Disconnect power from the drive and check motor phase V.
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ALARM 32, Motor Phase W Missing
Cause
HAZARDOUS VOLTAGE
AC drives contain hazardous voltage when connected to the AC mains or connected on the DC terminals.
Failure to perform installation, start-up, and maintenance by qualified personnel can result in death or serious
injury.
Only qualified personnel must perform installation, start-up, and maintenance.
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Motor phase W between the drive and the motor is missing.
Troubleshooting
Disconnect power from the drive and check motor phase W.
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ALARM 33, Inrush Fault
Cause
Too many power-ups have occurred within a short time period.
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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ALARM 35, Option Fault
Cause
Fieldbus or option B detects internal faults.
Troubleshooting
Contact the local supplier.
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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.
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Troubleshooting
AU275636650261en-003201 / 130R0334 | 845