Danfoss VLT AutomationDrive FC 301 Programming Manual page 862
Software versions 9.5x and 48.96
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Also See for VLT AutomationDrive FC 301:
- Installation manual ,
- Programming manual (722 pages) ,
- Design manual (214 pages)
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Programming Guide | VLT® AutomationDrive FC 301/FC 302
Troubleshooting
Check the wiring.
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Check the on-board temperature sensor.
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Replace the fan power card.
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ALARM 423, FPC Updating
Cause
The alarm is generated when the fan power card reports that it has an invalid PUD. The control card attempts to update the PUD. A
subsequent alarm can result depending on the update. See Alarm 424, FPC Update Successul and Alarm 425, FPC Update Failure.
ALARM 424, FPC Update Successful
Cause
This alarm is generated when the control card has updated the fan power card PUD successfully.
Troubleshooting
Press [Reset] to stop the alarm.
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ALARM 425, FPC Update Failure
Cause
This alarm is generated after the control card failed to update the fan power card PUD.
Troubleshooting
Check the fan power card wiring.
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Replace the fan power card.
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Contact supplier.
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ALARM 426, FPC Config
Cause
The number of found fan power cards does not match the number of configured fan power cards. See parameter group 15-6* Option Ident
for the number of configured fan power cards.
Troubleshooting
Check fan power card wiring.
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Replace the fan power card.
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ALARM 427, FPC Supply
Cause
Supply voltage faults (5 V, 24 V, or 48 V) on the fan power card is detected.
Troubleshooting
Check fan power card wiring.
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Replace the fan power card.
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| © 2024.09
Troubleshooting
AU275636650261en-003201 / 130R0334
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