Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement

Remove the 6x 2.5mm Hex screws on the left and right side of the roaster.

Hold the roaster steady while removing the plastic top/closure.

Remove the 4x 2.5mm Hex screws on the bottom of the roaster.

Pull away the front panel carefully.

Stand the roaster up again and pull away the rear panel from the chassis to expose the remaining components.

Boards may vary, the PCB in your roaster may not look like the one in this guide, but the steps should still match the general replacement process.

Pull upwards on the SSR signal connector to remove it.

Use a 2.0mm slotted screwdriver to remove the thermocouple wires from the PCB-A

If your thermocouple connector looks like this, you will need to follow this step.

Use the end of a cable tie or very small plastic spudger to open the contact and remove your thermocouple wires. You may need to trim the cable tie end to fit into the slot.

(Applicable to early models) Pull upwards on the motor controller signal connector to remove it.

Unplug your motor if your roaster is fitted with a connector, otherwise de-solder the motor controller power.

Carefully pull on the ribbon cable to remove it.

Remove the 4x PH2 PCB screws.

Prepare your soldering iron and de-solder/reflow the two transformer wires to remove them.

Your mainboard is now removed and ready for rework or replacement. Replace the serial code on the bottom of your roaster with the included QR label.