Environment Error: Valid temperature difference between μC1 and μC2 exceeded

What does 7 mean?

When LED Diag 1 is off and LED Diag 2 flashes with code 7 (400ms ON / 400ms OFF), it indicates that the temperature difference between microcontrollers μC1 and μC2 has exceeded a valid threshold. This environment error could point to uneven cooling, a sensor malfunction, or an internal fault causing one μC to heat differently than the other, potentially compromising the integrity of dual-channel temperature monitoring.