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901
PCU IST FAULT
Otis · DSD 412 DC Elevator Drive
Was bedeutet 901 ?
Current flow in excess of 300% of the rated armature current is detected within the armature circuit. This indicates a severe overload, a fault in the motor, or a measurement error.
Häufige Ursachen
- Ground fault or an intermittent connection within the motor armature circuit.
- Malfunction or failure of the current measuring module.
- Suboptimal tuning or configuration of the current regulator.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Inspect the motor armature circuit for any ground faults or intermittent connections.
- 2
Test the current measuring module for accurate readings and replace if faulty.
- 3
Review and adjust the current regulator tuning parameters.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Otis DSD 412 DC Elevator Drive