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409
UNEXPECTED PCU RESET
Otis · DSD 412 Elevator System
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The PCU processor was unexpectedly reset.
Häufige Ursachen
- Incorrect PCU software and revision level.
- Problem with main circuit card hardware.
- External noise interference.
- Improper equipment and signal grounding connections.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Verify that the correct PCU software and revision level are being used.
- 2
Inspect for external noise interference sources.
- 3
Ensure equipment and signal grounding connections are proper.
- 4
If the problem remains, replace the Drive Control PCB.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
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Quelle: Otis DSD 412 Elevator System