Name: Internal Communication Cable
Nibe Part Number: 218564
Type: Internal Signal/Control Cable
Location:
📍 Located inside the Nibe F2040 outdoor unit (12kW & 16kW models). Typically runs between main circuit boards and control interfaces.

This cable ensures reliable communication between the internal control boards for system coordination and data exchange.

✅ Compatible Nibe Units

F-Series Air Source Heat Pumps

• Nibe F2040 12kW

• Nibe F2040 16kW

These are larger-capacity air source heat pumps used in medium to large domestic or light commercial applications, and this cable is specific to their internal architecture.

🔧 Technical Notes

• Function:
  Facilitates internal communication between components like:

  • Main control board

  • Relay boards

  • Inverter drive boards

  • Possibly the defrost and fan controllers

• Common Issues:
  A faulty or loose cable can result in:

  • Communication errors on the display

  • Fault codes - comms error 

  • Inactive systems despite power