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warning Braun
Error Code Battery low – short beep after measurement
Low battery indication — a short beep will sound after taking the temperature.
? What Causes This
Insufficient battery charge left in device.
✓ How to Fix It
Replace batteries immediately to ensure proper operation.
Source: page 14 of the official manual
From the manual
This error code appears in:
Braun Irt6520 Thermoscan Infrared Ear Thermometer