I notice you asked for the "zxd 3000 user manual 2021" but then said "prepare a story."
Q3: The display shows incorrect temperature after sensor replacement.
Go to InP, reselect sensor type, then perform auto-tune again. Also check InSC (shift) – it may still hold old offset.
The ZTE ZXD3000 is a high-efficiency, switching-mode rectifier designed to convert AC power into a stable 48V DC output for telecommunications infrastructure, such as mobile base stations and central offices . According to the ZXD3000 V5.5 User Manual
High efficiency, often exceeding 96% to 98% in newer V5.x iterations. Voltage Range:
Operating Temperature: Robust environmental tolerance from -40°C to +75°C. Functional Highlights from the Manual
Ventilation: Ensure the ventilation holes on the front and back of the module are not blocked to prevent overheating.
Additional Resources
Warning: Do not use solvents or petroleum-based cleaners on the 2021 LCD screen—it damages the anti-glare coating.