GJA24350BD11 OTIS DCSS V E Door Operator Controller | Otis DO2000 Elevator DCSS5 Door Operator Box Replacement Part
 
1. Product Overview
GJA24350BD11 is the core controller for OTIS original DO2000 door operator system, belonging to the DCSS-5 series semiconductor door drive. As the central control unit of the DO2000 door operator system, it integrates drive, signal acquisition and logic processing functions. It is responsible for variable-frequency speed regulation and opening/closing logic control of the car door.
In daily elevator maintenance, the door operator controller acts as the heart of the elevator door system. According to industry maintenance statistics, 90% of door operator system failures are not caused by burnt motors, but by loss of synchronization of feedback signals on the control board. This model is widely used in elevators equipped with OTIS DO2000 door operators. It serves as a key spare part for maintenance of old elevators, door operator fault replacement and elevator modernization projects, delivering reliable door system replacement solutions for overseas elevator maintenance service providers, general elevator contractors and spare parts distributors.
 
2.Core Product Features
• Original Quality: OTIS DCSS V E integrated door operator drive box, compatible with DO2000 door operator system for easy installation
• Fault Self-Diagnosis: Reads historical fault codes to enable rapid on-site troubleshooting of door operator failures.
• Integrated Multi-Interfaces: Equipped with interfaces for encoder, serial communication, 24VDC digital I/O and dedicated service port for convenient commissioning.
• Built-in Anti-Nipping Function: Real-time monitoring of door load; automatically reopens the door upon encountering obstacles, complying with elevator safety standards.

3.Technical Parameters
 

Parameter	Specification
Part Number	GJA24350BD11
System Series	DCSS-5 (DCSS V E)
Brand	OTIS
Product Type	Door Operator Controller
Compatible Door Operator System	DO2000 Door Operator System
P1 Mains	Main Power Input L/N/PE
Main Power Supply	AC220V
Encoder Power Supply	DC15V
Digital I/O	DC24V
Communication Interface	Serial interface; D-Sub service commissioning port
Unit of Measure	PC (Piece)

 



4.Product Function Description
• Door Opening & Closing Drive Control: Outputs variable-frequency power to drive the DO2000 door operator motor and controls car door opening and closing movements.
• Anti-Nipping Protection: Monitors door operator torque in real time and triggers reverse door opening protection when obstacles are detected.
• Encoder Position Acquisition: Reads signals from the door operator encoder to accurately obtain door leaf position and realize closed-loop position control.
• Fault Diagnosis & Recording: Automatically stores door operator fault codes, which can be retrieved via commissioning tools to support on-site maintenance.
 
5.Precautions
• Power-Off Operation: Cut off the main elevator power supply and implement LOTO (Lockout-Tagout) safety procedure before installation, removal or commissioning to prevent electric shock and unintended movement.
• Wiring Specification: Wire strictly in accordance with the schematic marked on the housing. Distinguish main power supply, encoder and I/O ports. Incorrect wiring will burn out the controller.
• No Unauthorized Disassembly: Equipped with precision power electronic components. Do not open the housing or modify internal wiring privately. Disassembly will void the product warranty.
• Periodic Inspection: Regularly check controller housing temperature, LED status indicators, tightness of wiring terminals and heat dissipation & ventilation during operation. Deal with any abnormalities promptly.

6.Supply & Service
• Genuine Quality Guarantee:GJA24350BD11 Original OTIS Door Operator Controller, Reliable Quality.
• Flexible Order Quantities: We offer both singlepiece retail and fullcontainer bulk orders for export, catering to the procurement needs of overseas elevator maintenance companies, parts distributors, and complete elevator manufacturers in Southeast Asia, Europe, Australia, and other regions.
• Service Support: We provide comprehensive aftersales support and assist with the preparation of foreign trade documents, including packing lists and invoices.
• Packaging & Logistics: Custom shockproof and compressionresistant export cartons are used, suitable for domestic express, sea freight, and air freight crossborder logistics to minimize transit damage.
• Supporting Services: Full range of additional OTIS spare parts available for onestop sourcing.
 

This manual is for product reference only. For specific installation and operation procedures, please refer to the official Fine OTIS technical manual, and all work must be performed by certified professional technician.

ES Escalator Parts Co., Limited  
We specialize in supplying high-quality elevator and escalator spare parts for multi-brands, serving customers worldwide with reliable products and professional support