Danfoss VLT FC 102 Programming Manual page 749

Programming Guide | VLT® HVAC Drive FC 102
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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ALARM 432, Inrush Mode Error
Cause
An active inrush card reported the wrong mode. The report value indicates which inrush card reported the alarm.
Troubleshooting
Check inrush card wiring.
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Replace the inrush card.
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Warning 500, Motor Stator Winding Warning 2
Cause
The stator winding reached condition orange. A severe fault might occur soon in the motor.
Troubleshooting
Check the stator windings.
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Warning 501, Load Envelope Warning 2
Cause
Application load has reached condition yellow.
Troubleshooting
Investigate the root cause for the increased motor load.
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Warning 502, Vibration Monitoring Warning 2
Cause
A significant increase in motor vibration is detected. The vibration levels have reached condition orange.
Troubleshooting
Investigate the root cause for severe vibration.
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Troubleshooting
AU430028034214en-001901 / 130R0310 | 749