Gallop Lift Parts
P235711B000G / P235741B000G Mitsubishi Elevator Communication Board - 1

P235711B000G / P235741B000G Mitsubishi Elevator Communication Board

$7.12$10.08

P235711B P235701B P235741B000G01 P235741B000G02

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SKU: P235711B000G / P235741B000G Mitsubishi Elevator Communication Board Category: Mitsubishi

Description

Mitsubishi Elevator Communication Board P235711B000G / P235741B000G

A Communication Fault That Was Not Caused by the Board


In one office building project, technicians received repeated communication alarms from the elevator controller. The display panel occasionally lost floor information, while the car continued operating normally.

The initial assumption was that the communication board had failed. However, after inspection, the actual issue was found in a loose connector between the controller and communication module.

Cases like this are common in older installations and demonstrate why communication boards are usually inspected together with cables, terminals, and interface modules.

Where This Board Is Commonly Used

The P235711B000G and P235741B000G communication boards are commonly found in Mitsubishi elevator control systems where stable data exchange between controller components is required.

A Communication Alarm That Was Not Caused by the Board

In some older Mitsubishi elevators in Egypt and Hungary, communication-related faults may appear after long-term operation due to:

  • connector aging
  • unstable signal transmission
  • communication interruption
  • PCB oxidation inside controller cabinets

Technicians sometimes replace the communication board during troubleshooting when floor display or hall call communication becomes unstable.

Common Field Symptoms

Possible situations related to this board may include:

  • intermittent floor display response
  • hall call communication delay
  • abnormal COP signal transmission
  • unstable controller communication
  • random communication reset problems

In some projects, communication cables are also checked together with the PCB.

Service Notes

Different Mitsubishi controller generations may use:

  • different communication protocols
  • different connector layouts
  • different signal structures

Before replacement:

  • board number should match carefully
  • communication port layout must be confirmed
  • original wiring position should be recorded before removal

Some maintenance companies keep both P235711 and P235741 versions in stock because certain systems may use mixed communication assemblies.

Export Maintenance Market

Frequently supplied for:

  • Mitsubishi modernization projects
  • controller cabinet maintenance
  • communication troubleshooting
  • elevator refurbishment work

More commonly requested in old commercial building maintenance projects than in new installations.

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