Control screen blue no text

Question

Kaffelogic Coffee Roaster

Repair and service guides for the Kaffelogic Nano 7 and Nucleus LINK coffee roaster.

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I have had the Kafelogic nano 7 since 2023 and had worked great no issues until now the control screen no longer showed text just a blue screen

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score 0 · Answer 1 · 2026-09-13T20:08:26-07:00

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22

1

6

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Please follow this guide until step 6, then adjust the contrast potentiometer:
Kaffelogic Nano 7/LINK (A/B/C-N Serial) LCD Board Replacement

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