Danfoss VLT FC 103 - Page 125

Troubleshooting
• Check the fan power card wiring.
• Replace fan power card.
• Contact supplier.
8.4.100 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.
8.4.101 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.
Maintenance, Diagnostics, and
Troubleshooting
Operating Guide | VLT® Refrigeration Drive FC 103
AQ275652766279en-000101 / 130R0707| 123
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