⏱ 1 min read
The Short Version
Kaleido M2’s bean probe delivers erratic temps, forcing roasters to over-roast beans despite adjustments, undermining trust and consistency in the roast. Users report frustration and doubt after multiple failed attempts to fix the issue.
The Kaleido M2’s bean probe is failing to deliver accurate temperature readings, leading to inconsistent roasts and undermining user confidence. A roaster with 31 attempts at roasting the same bean reports that the probe consistently hits first crack at ~172°C, regardless of adjustments. This isn’t an isolated incident—it’s a recurring problem that has left them questioning their purchase.
I’m at a complete loss what to do
The Probe’s Persistent Flaw
Removing and reinstalling the probe, as well as switching to the “long” probe from Kaleido, did not resolve the issue. The user says they’ve tested multiple variables—insertion depth, recalibration, and even factoring in a 20-30°C margin—but the results remain the same: erratic readings or over-roasted beans. The machine, which cost over $2,000, has become a source of frustration rather than a reliable tool.
A Roaster’s Struggle with Unreliable Data
The issue extends beyond technical failure—it affects the core of the roasting process. Without trustworthy data, the craft becomes unpredictable, and the user feels their expertise is being undermined. The probe’s inaccuracy risks compromising both the quality of the final product and the consistency of the roast. This has real-world consequences, including customer dissatisfaction and potential loss of business.
I’m at a complete loss what to do
What’s your experience with the Kaleido M2’s probe? Have you found a workaround, or are you stuck in the same loop?
Questions & Answers
How does the Kaleido M2’s bean probe affect roasting consistency?
The Kaleido M2’s bean probe provides inaccurate temperature readings, leading to inconsistent roasts. A roaster reported the probe consistently hits first crack at ~172°C regardless of adjustments, resulting in over-roasted beans and unreliable outcomes.
Why is the Kaleido M2 probe causing frustration among users?
The probe’s persistent inaccuracies undermine user confidence and disrupt the roasting process. Despite attempts to recalibrate, adjust insertion depth, and use a different probe, the readings remain erratic, turning the machine into a source of frustration rather than a reliable tool.
What steps have users taken to fix the Kaleido M2 probe issue?
Users have tried removing and reinstalling the probe, switching to the “long” probe, and adjusting insertion depth. They’ve also accounted for a 20-30°C margin, but none of these steps resolved the issue, highlighting the probe’s fundamental flaw.
How does the probe’s failure impact a roaster’s business?
The probe’s inaccuracy leads to unpredictable roasting results, risking product quality and customer satisfaction. This inconsistency can harm a roaster’s reputation and lead to potential loss of business, as reliable data is crucial for maintaining consistent output.
Originally reported by Reddit Coffee Roasting.
