Hm. strange. The only problem I remember was having a wire clock set too high. But the wire clock is only changed if the OLED module is activated in weather radio.

Check the configuration of OLED_WIRE_CLOCK_SPEED in config.h. I noticed that it should not be higher than 100kHz:

#define OLED_WIRE_CLOCK_SPEED 100000L // set to 100kHz if using in combination with MLX90614


Read More...