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926
PCU WATCHDOG TIMEOUT FAULT
Otis · DSD 412 Elevator System
Hva betyr 926 ?
A problem exists with either hardware or software on the Drive Control PCB, which can lead to a PCU watchdog timeout.
Vanlige årsaker
- Hardware failure on the Drive Control PCB.
- Software issue with U13, U14, U39, U40 EPROMs.
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
Check and/or replace U13, U14, U39, U40 (EPROM’s).
- 2
Replace Drive Control PCB A1.
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Otis DSD 412 Elevator System