Xizi Otis Elevator Manual Fixed Extra Quality Site

Disclaimer: Elevator maintenance carries inherent risks. Only certified, licensed elevator technicians should perform internal diagnostics, control cabinet interventions, or mechanical overrides. 1. Initial Diagnostic Steps

| Fault Description | Fix Strategy | |-------------------|---------------| | Severe elevator vibration during operation; parameters cannot be modified | Replace the drive mainboard | | Main contactor won't pull in during operation; drive mainboard terminal 83 has no 110V output despite terminal 85 having 110V present | Replace mainboard | | Elevator won't move; drive shows no display (blank screen); LCB2 board appears normal externally; external wiring and voltages check out | Replace drive unit | | Drive shows IGBT DESAT FIT fault | Open drive and inspect for visible board damage; use multimeter to check IGBT for breakdown | | Drive immediately displays GROUND FAULT when powered on — output phases shorted to ground | Replace drive unit | | Drive shows HW FAULT and won't reset; supply resistor becomes very hot | Repair or replace drive mainboard |

The following procedures must be followed during operation and maintenance:

Below are typical issues reported with Xizi Otis elevators and the corresponding steps to fix them. A. Elevator Not Answering Calls (Stuck in System Lockout) xizi otis elevator manual fixed

For persistent issues, technicians must connect the Otis blue Service Tool (Handheld Server) to the main board's communication port.

The door is fully open, but the DCL signal is not activated. Fix: Adjust the DCL switch on the door operator.

Thermal cutouts often happen during high-ambient-temperature periods or heavy load cycles. Disclaimer: Elevator maintenance carries inherent risks

: For minor control issues, pressing and holding the Lobby (1st floor) button for 5 seconds may reset the car's position. For a soft reset on some models, hold the alarm button for 10 seconds.

OCSS (Operation Control Subsystem) cannot operate due to driver failure.

Dirt in the door track, misaligned sensors, or faulty door motor. Fix: Clean the door sills and tracks to remove debris 2.2.3 . Check door sensor alignment (light curtain). Initial Diagnostic Steps | Fault Description | Fix

Regular maintenance is the best way to prevent the need for emergency repairs.

Based on the code (e.g., Door, Drive, Safety), inspect the physical components in the hoistway, top of the car, or machine room.