New Spare Part
Danfoss · VLT HVAC Basic FC 101
¿Qué significa 250 ?
This alarm indicates that a major power-related component, specifically the power section or switch mode power supply, within the frequency converter has been replaced. It serves as a service notification rather than an operational fault, confirming a hardware change. The drive should function normally after this alarm, assuming proper installation of the new part.
Causas comunes
- The power card (or power module) of the frequency converter has recently been replaced as part of a service action.
- The internal Switch Mode Power Supply (SMPS) unit has been replaced.
- A drive hardware configuration change was detected upon power-up after maintenance.
- This is an informational alarm, not an indication of a new malfunction.
- An incompatible spare part was installed (less likely if the unit powers on and operates).
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Confirm recent service history, specifically component replacement of the power section or SMPS unit.
- 2
Acknowledge the alarm via the Local Control Panel (LCP) and reset the drive (e.g., by power cycling or using P14-20 reset function).
- 3
Verify that the drive operates correctly and the motor responds as expected after the component replacement.
- 4
Record the date and details of the component replacement in the equipment maintenance log.
- 5
No further action required if the replacement was intended and the drive operates normally.