Gree air conditioner fault code meanings and repair methods, you can check for yourself which model corresponds to F1 Evaporator temperature sensor head failure F2 Condenser temperature sensor head failure F3 Outdoor temperature sensor head failure F4 Exhaust temperature sensor head failure one. Fault meaning code 1. E1 protection: high voltage protection for the system. When high voltage protection is detected for 3 consecutive seconds, turn off other negative devices except the light box...
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