Danfoss VACON 100 FLOW Series Application Manual page 301

VACON® 100 FLOW
Application Guide
Troubleshooting
• No actions required. Notification only.
12.3.28 Fault Code 8, ID 829 - System Fault
Cause
• New licenses have been taken into use since the previous start-up.
Troubleshooting
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12.3.29 Fault Code 8, ID 830 - System Fault
Cause
• Licenses have been removed from the drive.
Troubleshooting
• No actions required. Notification only.
12.3.30 Fault Code 9, ID 80 - Undervoltage (Fault)
Cause
The DC link voltage is lower than the limits.
• too low a supply voltage
• defective component
• a defective input fuse
• the external charge switch is not closed
NOTE! This fault becomes active only if the drive is in Run state.
Troubleshooting
• If there is a temporary supply voltage break, reset the fault and restart the drive.
• Do a check of the supply voltage. If the supply voltage is sufficient, there is an internal fault.
• Examine the electrical network for fault.
• Ask for instructions from your nearest distributor.
12.3.31 Fault Code 10, ID 91 - Input Phase
Cause
• supply voltage malfunction
• a defective fuse or malfunction in the supply cables
The load must be a minimum of 10–20% for the supervision to work.
Troubleshooting
• Check the supply voltage.
• Check the fuses.
• Check the supply cable.
• Check the rectifying bridge.
• Check the gate control of the thyristor (MR6->).
12.3.32 Fault Code 10, ID 92 - Input Phase
Cause
• Software-based input phase supervision.
Troubleshooting
• Check the supply voltage.
• Check the fuses.
• Check the supply cable.
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Fault Tracing
AB298035655957en-000201 / DPD01083 | 301