Selcom ECO Door Control Board

A Common Door Fault in Aging Installations

In a residential project in Jordan, technicians reported that the elevator door occasionally failed to complete its opening cycle.

The first suspicion was a door motor issue, but further inspection showed that the door controller was not responding consistently to encoder feedback signals.

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Product Overview

The Selcom ECO Door Control Board(903510G01S-L) is an electronic control module designed specifically for Selcom ECO automatic sliding door systems. It regulates door motor performance and ensures smooth, synchronized opening and closing within elevator door assemblies.

This board is used in standard-duty residential and commercial elevator installations where stable door operation is essential for daily high-frequency use.

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System Function & Engineering Role

Within the Selcom ECO door operator architecture, this control board is responsible for:

• Motor torque regulation

• Opening and closing speed adjustment

• Obstacle detection coordination

• Door position feedback processing

• Communication with encoder and limit switches

It serves as the central control unit of the ECO door mechanism, managing both performance stability and safety synchronization.

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Technical Specifications

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Compatible Applications

Suitable for:

• Residential elevators

• Commercial building elevators

• Mid-rise traction lift systems using Selcom ECO door operators

Part number confirmation is recommended to ensure correct batch compatibility.

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Common Failure Symptoms

When the control board is malfunctioning, elevator technicians may observe:

• Door opens partially and stops

• Door motor vibrates without full movement

• Random reopening after closing

• Encoder communication errors

• Visible burn marks near power module

Before replacement, mechanical components such as motor condition, encoder alignment, and cam assembly should be verified.

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Before Ordering

• Disconnect main power before handling

• Confirm part number compatibility

• Avoid electrostatic discharge

• Test door movement before full system reassembly

Professional installation by qualified elevator technicians is recommended.

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Frequently Asked Questions

Is this board compatible with all Selcom ECO models?
Compatibility depends on production batch and configuration. Verification before purchase is advised.