Appendix B — Typical Measurements to Record
Often, a simple reset (shutting off power for 30 seconds) clears temporary faults, but a persistent code requires component repair or replacement. 4. Preventive Maintenance to Avoid Frequent Fixes
From the "Rules for Xizi" system documentation, understand these operational boundaries: xizi otis elevator manual fixed
This updated version includes: ✅ Accurate wiring diagrams ✅ Corrected fault code tables ✅ Clearer step‑by‑step maintenance procedures ✅ Revised safety checklists
| Fault Description | Indicator | Fix Strategy | |------------------|-----------|---------------| | All LEDs on LCB-II board are off (no lights) | Complete board darkness | High voltage intrusion likely damaged the board — replace LCB-II board immediately | | Car and hall call anomalies | Server shows SF-FAULT; PT1-3 terminals have AC110V but issue persists | Board replacement required | | Mainboard has no 24V output | No power on peripheral devices | Direct board replacement | | DW display not lit; elevator won't run in inspection mode | No self-recovery observed | Board replacement necessary | | All floor hall call displays blank | No external call registration | Replace mainboard | | Elevator won't start | Check SE signal input on LCB-II board — is it normal? | Troubleshoot SE signal path; replace board if signal path is intact | | Elevator non-responsive; DW, DFC, DOL, DOB lights are all illuminated | No door opening response to calls | Board replacement indicated | | External hall display shows "-"; drive shows "COMM CARD FAULT" | Fault persists after power cycle | Replace mainboard | | External hall display shows "*" with DOB/DOL lights constantly lit | Hall calls cannot be registered | Board failure — replace | Appendix B — Typical Measurements to Record Often,
路径： M-1-2-1 。此操作可显示当前阻止电梯运行的“活动故障”。
Check the clearance of the door clutch and the lock rollers; standard manual clearance is typically between 5mm and 7mm. | Troubleshoot SE signal path; replace board if
Inspect the main drive inverter modules (IGBTs) for signs of heat damage or short circuits.
— A more advanced system featuring the ACB2 controller, this platform fully integrated OTIS serial communication technology for exceptional reliability, paired with high-precision Italian vector frequency conversion drives for smoother, more comfortable operation. Key manuals for this system include the ACB2 debugging manual, server operation manual, AMCB2 user guide, and the XRDS landing door control manual.