Danfoss VACON 3000 Application Manual page 276

VACON® 3000
Application Guide
8.2.6.17 Fault Code 8, ID 621 - System Fault
Cause
• Gate driver board error B.
Troubleshooting
• Reset the fault and restart.
• Download the latest software from the Danfoss Drives website. Update the drive with it.
• If the fault occurs again, ask instructions from your nearest distributor.
8.2.6.18 Fault Code 8, ID 622 - System Fault
Cause
• The connection between the gate driver board and the measurement board is broken.
Troubleshooting
• Reset the fault and restart.
• Download the latest software from the Danfoss Drives website. Update the drive with it.
• If the fault occurs again, ask instructions from your nearest distributor.
8.2.6.19 Fault Code 8, ID 623 - System Fault
Cause
• The negative voltage of the 24 V supply is below the limit.
Troubleshooting
• Reset the fault and restart.
• Download the latest software from the Danfoss Drives website. Update the drive with it.
• If the fault occurs again, ask instructions from your nearest distributor.
8.2.6.20 Fault Code 8, ID 624 - System Fault
Cause
• The positive voltage of the 24 V supply is below the limit.
Troubleshooting
• Check the 24 V power supply.
8.2.6.21 Fault Code 8, ID 625 - System Fault
Cause
• The positive voltage of the 24 V supply is below the limit in a follower unit.
Troubleshooting
• Check the 24 V power supply.
8.2.6.22 Fault Code 8, ID 647 - System Fault
Cause
• Defective component.
• Operation malfunction.
Troubleshooting
• Reset the fault and restart.
• Download the latest software from the Danfoss Drives website. Update the drive with it.
• If the fault occurs again, ask for instructions from your nearest distributor.
276 | Danfoss A/S © 2021.09
Fault tracing
AB319735759636en-000101 / DPD01822