Why does my TFA 30.1025 display -50.0 after a battery change and how do I reset it?
The display reading of "-50.0" typically indicates that the device's sensor is reading a value outside its normal range or has encountered a startup…
Manuals+ Q&A
TFA 30.1025 Digital Window Thermometer Instruction Manual — questions & answers
Read product questions and troubleshooting answers linked to TFA 30.1025 Digital Window Thermometer Instruction Manual.