Danfoss VLT AutomationDrive FC 302 Operating Manual page 126

Operating Guide | VLT® AutomationDrive FC 302
Troubleshooting
• Check the fan power card wiring.
• Replace fan power card.
• Contact supplier.
8.4.101 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.
• Replace fan power card.
8.4.102 ALARM 427, FPC Supply
Cause
Supply voltage fault (5 V, 24 V, or 48 V) on fan power card is detected.
Troubleshooting
• Check fan power card wiring.
• Replace fan power card.
126 | Danfoss A/S © 2019.12
Maintenance, Diagnostics, and
Troubleshooting
AQ275652476278en-000101 / 130R0709