The EF117 sensor / circuit board is a critical electronic component used in many computer embroidery machines. When your machine’s thread break sensor or control board becomes faulty, the EF117 provides an accurate replacement that restores smooth operation and reduces downtime.

Key Features & Benefits

• Genuine or high-quality replacement board, designed to match original factory specifications

• Accurate detection of thread breaks and thread run-out, helping to avoid ruined embroidery pieces

• Durable components and soldering for long-term reliability

• Compact and lightweight design for easier installation

• Plug-and-play interface (where compatible) to simplify factory swapping

• Helps maintain stitch accuracy and reduce machine errors

Compatibility / Compatible Devices
This board is known to be compatible with various Chinese embroidery machine brands using the “Dahao card” / Dahao controller architecture, especially models that accept EF117, EF117A or EF117B sensor board versions. 360 Digitizing Solutions+2Alibaba+2

Some commonly supported machine lines include (but may not be limited to):

• Dahao embroidery machines (with Dahao card control systems) 360 Digitizing Solutions

• Chinese multi-needle embroidery systems that use Dahao-style sensor boards Alibaba+1

Important: Because compatibility depends on your machine’s controller board architecture (e.g. wiring, connectors, voltage, firmware), always cross-verify part numbers (EF117, EF117A, EF117B) and connector layout with your existing board before ordering. If you are uncertain, please consult your machine’s schematic or manufacturer.

Installation & Usage Notes

1. Turn off and unplug the embroidery machine before beginning work.

2. Open the machine’s control panel or housing to access the sensor board area.

3. Carefully detach cables from the old board (note or photograph connector positions).

4. Mount the new EF117 board in the same place and orientation.

5. Reconnect cables to the corresponding ports (ensure no force or misalignment).

6. Power up the machine and test thread break detection and operation.

7. If necessary, recalibrate or reset sensor thresholds in the machine’s control settings.

Why Choose This EF117 Board?

• Restores full sensor functionality and reduces machine errors

• Helps extend the usable life of older embroidery machines

• Cost-effective alternative to replacing entire control modules

• Designed to meet or exceed original performance standards

• Conveniently stocked and shipped to reduce downtime