Danfoss VACON 100 FLOW Series - 12.3.30 Fault Code 9, ID 80 - Undervoltage (Fault)

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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.
AB298035655957en-000201 / DPD01083 | 301Danfoss A/S © 2023.08
Fault Tracing
VACON® 100 FLOW
Application Guide