The sensor displays "OF" and the console displays "LL" or "HH.H"
If the sensor displays “OF” and the console displays “LL”or “HH.H”, the senor must be replaced.
We have a one year warranty. For details, please visit: www.AmbientWeather.com/rma.html
Out of warranty replacements are available here:
F007PF: https://www.ambientweather.com/amf007pf.html
F007T: https://www.ambientweather.com/amf007t.html
F007TH: https://www.ambientweather.com/amf007th.html