Programming Guide | VLT® AutomationDrive FC 360
ALARM 32, Motor Phase W Missing
Cause
Motor phase W between the drive and the motor is missing.
Troubleshooting
l Remove power from the drive and check motor phase W.
WARNING/ALARM 34, Fieldbus Fault
Cause
The fieldbus on the communication option card is not working.
Troubleshooting
l Check the fieldbus communication option card.
ALARM 35, Option Fault
Cause
Fieldbus or option B detects internal faults.
Troubleshooting
l Contact the local supplier.
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
l Check the fuses to the drive and mains supply to the unit.
ALARM 38, Internal Fault
Cause
When an internal fault occurs, a code number is shown.
Table 29: Internal Fault List
Fault number Cause Solution
140–142 Power board EEPROM data error Upgrade the software in the drive to the latest version.
176 The firmware in the drive does not match the
drive.
Upgrade the software in the drive to the latest version.
256 Flash ROM check-sum error. Upgrade the software in the drive to the latest version.
2304 Firmware mismatch between the control card
and the power card.
Upgrade the software in the drive to the latest version.
2560 Communication error between the control card
and the power card.
Upgrade the software in the drive to the latest version. If the
alarm occurs again, check the connection between the control
card and the power card.
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