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

Giriş

Replacement of the mainboard on any Kaffelogic Nano or Nucleus Link coffee roaster with an A, B, C or N prefix serial number.

Neye ihtiyacın var

  1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Removing Panel Screws: adım 1, 2 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Removing Panel Screws: adım 1, 2 resimden 2.

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

    Düzenle

  2. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Lift the closure: adım 2, 2 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Lift the closure: adım 2, 2 resimden 2.

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

    • Panels may spring apart slightly once removed.

    Düzenle

  3. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove bottom panel screws: adım 3, 3 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove bottom panel screws: adım 3, 3 resimden 2. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove bottom panel screws: adım 3, 3 resimden 3.

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

    Düzenle

  4. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove the front panel: adım 4, 3 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove the front panel: adım 4, 3 resimden 2. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove the front panel: adım 4, 3 resimden 3.

    • Pull away the front panel carefully.

    • Take care not to damage the buttons while maneuvering the front panel.

    Düzenle

  5. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove rear panel: adım 5, 3 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove rear panel: adım 5, 3 resimden 2. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove rear panel: adım 5, 3 resimden 3.

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

    • The mains cable is routed through the panel and it will remain attached, place the panel in a soft bag if you wish to protect the paint throughout the rest of your repairs.

    Düzenle

  7. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Boards may vary: adım 6, 1 resimden 1.

    • 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.

    • All replacement boards will have a USB-C connection. You will have to migrate any custom profiles on your USB stick to the onboard storage with Kaffelogic Studio.

    Düzenle

  8. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Disconnect the SSR signal: adım 7, 2 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Disconnect the SSR signal: adım 7, 2 resimden 2.

    • Pull upwards on the SSR signal connector to remove it.

    Düzenle

  9. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Disconnect the thermocouple: adım 8, 2 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Disconnect the thermocouple: adım 8, 2 resimden 2.

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

    Düzenle

  10. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, White thermocouple connector: adım 9, 3 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, White thermocouple connector: adım 9, 3 resimden 2. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, White thermocouple connector: adım 9, 3 resimden 3.

    • 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.

    Düzenle

  11. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove motor controller signal: adım 10, 2 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove motor controller signal: adım 10, 2 resimden 2.

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

    • Black wire to the left when replacing.

    Düzenle

  12. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Disconnect/desolder the motor: adım 11, 2 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Disconnect/desolder the motor: adım 11, 2 resimden 2.

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

    Düzenle

  13. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Disconnect the ribbon cable: adım 12, 1 resimden 1.

    • Carefully pull on the ribbon cable to remove it.

    • Some boards have a larger cable on the other side of the PCB.

    Düzenle

  14. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove PCB screws: adım 13, 2 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove PCB screws: adım 13, 2 resimden 2.

    • Remove the 4x PH2 PCB screws.

    Düzenle

  15. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, De-solder the power wires: adım 14, 2 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, De-solder the power wires: adım 14, 2 resimden 2.

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

    Düzenle

  16. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove the board: adım 15, 3 resimden 1. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove the board: adım 15, 3 resimden 2. Kaffelogic Nano 7/LINK (A/B/C-N Serial) Mainboard Replacement, Remove the board: adım 15, 3 resimden 3.

    • 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.

    • Head through to our wiki for instructions on recalibrating your fan speed and setting the voltage and element resistance after replacing the mainboard.

    • Nucleus Link anemometer calibration instructions can be found here.

    Düzenle
Sonuç

To reassemble your device, follow these instructions in reverse order.

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