To function at its best your Kaffelogic fan needs to be speed bean circulation calibrated.
How to check fan speed calibration
Weigh 120g of green beans and load these into your roaster.
Put the chaff collector in place.
Select the K-logic classic profile.
Press ≡. When you see ‘Press ⏵ now for fan preview’, press ⏵. The fan will start.
The display will show 120g and 14700 rpm. If it does not, use + and - until it does.
Look at the bean circulation. The beans should be circulating gently. Pay particular attention to the beans in the middle which should be slowly turning over.
If there is no circulation of beans in the middle you need to re-calibrate.
Notes
See below for how to select suitable beans.
If you have a mesh chaff collector with an opaque chimney you will have to remove the chaff collector lid so that you can see the beans.
Fan preview requires firmware version 7.10 or higher. If you need to update, see Update firmware.
The ideal calibration range is between 0.87 and 1.10. Every roaster has a different calibration, due to a difference in altitude and environment.
How to re-calibrate
Weigh 120g of green beans and load these into your roaster.
Put the chaff collector in place.
Hold down both the + and - buttons while you turn the roaster on. It will enter calibration mode.
Press ≡ until you see ‘Press ⏵ now for fan at 14700 rpm’. Press ⏵. The fan will start.
The display will show ‘fan 14700’. If it does not, turn the roaster off and start again.
Look at the bean circulation. The beans should be circulating gently. Pay particular attention to the beans in the middle which should be slowly turning over.
Use the + and - buttons to alter the fan speed circulation until the beans in the middle just start to circulate.
Press ⏵ twice to save the setting. The display will briefly show ‘Saved'.
Turn the roaster off to exit calibration mode.
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Notes
See below for how to select suitable beans.
If you have a mesh chaff collector with an opaque chimney you will have to remove the chaff collector lid so that you can see the beans.
Take care to alter ‘fan at 14700 rpm’. There are other calibration settings which should not be changed except under instructions from an authorized Kaffelogic service agent.
Fan speed calibration at 14700 rpm requires firmware version 7.10 or higher. If you need to update, see Update firmware.
How to select suitable beans
Your roaster should be calibrated using beans of a medium size and density. We recommend Brazil Cerrado, Columbia Popayan or similar. Do not use very small or particularly dense beans. Do not use monsooned, decaf, or particularly large beans.
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