A user reported that while using the HDC202-X24, the device’s fan was relatively loud during operation. This was particularly noticeable under high load or in higher ambient temperatures, where the fan would run at high speed for extended periods.
During communication, the user did not question the device’s stability, but instead provided a very specific and realistic observation:
The device often runs next to me for long periods, and if the fan is always at high speed, even with all functions working correctly, it can interfere with daily use.
Based on this feedback, the team reviewed the fan control mechanism at the time.
The original design only offered a single high-speed mode, with the system automatically turning the fan on or off according to internal temperature. While this prioritized cooling and ensured stability, the user had no ability to adjust the fan speed. In some real-world scenarios, this design amplified the perception of noise.
Taking the user’s experience into account, the team revisited the fan control logic itself, not just the noise outcome.
The final adjustment direction was clear: ensure cooling safety while returning some control to the user.
Key Optimizations in the Upgraded Solution
-
Dual fan speed modes: upgraded from a single high-speed setting
-
Manual control via hotkey: users can actively switch fan speed based on environment and load
-
Refined automatic mode: temperature thresholds for automatic fan activation were adjusted to reduce unnecessary high-speed operation
These changes directly addressed the user’s questions—“when will it be loud, and why can’t I control it”—and made the fan behavior better aligned with real-world expectations.
More importantly, this adjustment is not limited to the HDC202-X24.
The optimized fan control solution has been incorporated into the ongoing maintenance plan for existing products and will serve as a standard design approach for new models under development.
Reflection
What seemed like a simple noise feedback ultimately drove more than just a parameter change. It prompted a reconsideration of how to balance performance, stability, and user experience.
Such improvements stem directly from continuous feedback in real user scenarios.
