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901
PCU IST FAULT
Otis · DSD 412 DC Elevator Drive
Hva betyr 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.
Vanlige årsaker
- 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.
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 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.
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Otis DSD 412 DC Elevator Drive