⚠
warning Braun
Error Code HI/LO
Temperature out of typical human range — readings are either too high (HI) or too low (LO).
? What Causes This
Improper use, dirty lens filter, incorrect thermometer placement.
✓ How to Fix It
Ensure the probe tip and lens are clean. Position correctly with a new lens filter. Retake measurement if needed.
Source: page 13 of the official manual
From the manual
This error code appears in:
Braun Irt6520 Thermoscan Infrared Ear Thermometer