Danfoss VACON 100 FLOW Series Application Manual page 305

VACON® 100 FLOW
Application Guide
This fault is only used with enclosure sizes MR11 and MR12.
12.3.49 Fault Code 18, ID 171 - Unbalance
Cause
• The DC voltage is unbalanced between power units.
Troubleshooting
• Check the DC link cables between the power units.
• Check the motor cables and connections.
• Check the output filters (dU/dt filter, sine filter).
• Reset the fault and restart the drive.
• If the fault occurs again, ask for instructions from your nearest service center or distributor. Report carefully all the used soft-
ware, application, and options.
This fault is only used with enclosure sizes MR11 and MR12.
12.3.50 Fault Code 18, ID 173 - Unbalance (Alarm)
Cause
• The current is unbalanced between power units.
Troubleshooting
• Check the installation and the motor cables.
• Redo the IGBT ID run.
• The event response can be set to No Action.
This fault is only used with enclosure sizes MR11 and MR12.
12.3.51 Fault Code 19, ID 180 - Power Overload (Short-time Supervision)
Cause
• The power of the drive is too high.
Troubleshooting
• Decrease the load.
• Examine the dimensions of drive. Examine if it is too small for the load.
12.3.52 Fault Code 19, ID 181 - Power Overload (Long-time Supervision)
Cause
• The power of the drive is too high.
Troubleshooting
• Decrease the load.
• Examine the dimensions of drive. Examine if it is too small for the load.
12.3.53 Fault Code 25, ID 240 - Motor Control Fault
Cause
This fault is available only if you use a customer-specific application. A malfunction in the start angle identification.
• The rotor moves during identification.
• The new angle does not agree with the old value.
Danfoss A/S © 2023.08
N O T I C E
N O T I C E
N O T I C E
Fault Tracing
AB298035655957en-000201 / DPD01083 | 305