BME280 stops working. Shows humidity always 100%

We prepared a board with BM280. Use a stevenson screen and place it in outdoor. 
Board works fine for months, but now stops working, it returns humidity always 100%. Temperature and pressure values looks fine. 

FYR, We used Adafruit BM680 library.

Please help us to get this device working. 

Thank you!

Best Regards,

Velmurugan S

3 replies