1. Product Overview
The KM878240G01 is a specialized decoder designed for KONE UIO elevator systems. This device facilitates specific maintenance and operational tasks, offering unlimited usage for compatible KONE elevator control units. It is a new and original component, ensuring reliability and compatibility.

Figure 1: KONE UIO Elevator Decoder KM878240G01 with connecting cables
Video 1: Product overview of the KONE UIO Elevator Decoder.
2. Safety Information
- This device should only be handled and installed by qualified personnel familiar with elevator systems and electrical safety procedures.
- Always ensure the elevator system is powered off and locked out before connecting or disconnecting the decoder.
- Do not attempt to open or modify the device, as this may void any potential warranty and create safety hazards.
- Keep the device away from moisture, extreme temperatures, and direct sunlight.
3. Package Contents
Please check the package for the following items:
- 1 x KM878240G01 KONE UIO Elevator Decoder Unit
- 1 x Connecting Cable (DB9 to DB9)
4. Device Layout
The decoder unit features a simple and functional layout:
- Front Panel: Includes an