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414
SOFTWARE COMPATABILITY FAULT
Otis · DSD 412 DC Elevator Drive
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The PCU (U13, U14) version and/or revision is incompatible with the DCU (U39, U40) installed in the drive. This typically indicates a mismatch in EPROM versions.
Vanlige årsaker
- Incompatible PCU (U13, U14) software/revision with DCU (U39, U40).
- Incorrect ROMs (U13, U14, U39, U40) installed in the drive.
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
Check and/or replace U13, U14, U39, U40 (EPROM’s) to ensure compatibility.
- 2
Replace Drive Control PCB A1 if necessary.
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Otis DSD 412 DC Elevator Drive