How to replace the hotbed and its cable (BCN3D Sigma)

Tools
	6.5mm socket driver
	Philips screwdriver
	2mm Allen Key

This article will help you in changing the hotbed heating pad and the cable that connects it to the mainboard. To do so, follow the next steps:

1. Raise the printing platform to its top position. To do so, go to Utilities/Maintenance/Move printing platform

2. Turn off your BCN3D Sigma and disconnect it from the power source.

3. Take out the central bottom cover by removing the marked screws.

x2 M3 8mm

x2 M3.2 9.5mm

sigma2-inner-cover-3

4. Disconnect the hotbed cable from the mainboard and the hotbed.

5. Remove the cable clamp by loosening the nut with the help of a socket driver. You should now be able to remove the hotbed cable from the printer.

x1 M3

6. Remove the hotbed heating plate by taking out the printing surface and removing the marked screws. Remove the old hotbed plate from the printing platform.

x9 M3x6

7. To install the new hotbed and cable, follow the same steps in inverse order.

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Do you have questions about this process? Check out our forum community for more info about this.

It's important to keep your printer in good shape to make the most out of it. In this chart, you can find a list of the extruder maintenance procedures and how frequently these should be done. Maintenance Plan

bcn3d-recycle Take your e-waste to a certified recycler. Check how we do it in BCN3D.

Parts		Buy these parts
	Sigma/Sigmax Hotbed	SKU 10908
	Sigma Hotbed Cable	SKU 10866

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How to replace the hotbed and its cable (BCN3D Sigma)

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