E 1 - flashes 1 time off = error EEpron
And 2 - 2 flashes off = communication failure
And 3 - 3 flashes off = evaporator fan with speed out of control
And 5 - flashes 5 times off = faulty temperature sensor
E 6 - flashes 6 times off = temperature sensor defective evaporator
And C - 2 flashes on = refrigerant leak detection
