Haier Air Conditioner Troubleshooting

Error E1 on a Haier split air conditioner indicates a fault with the indoor unit air temperature sensor.

30 min · skill: intermediate

Error E2 on a Haier split air conditioner indicates a fault with the indoor evaporator coil temperature sensor.

30 min · skill: intermediate

Error E5 on a Haier air conditioner indicates voltage protection has tripped: the input AC voltage is outside the safe operating range (typically below 180 V or above 250 V).

30 min · skill: beginner

Error F1 on a Haier split air conditioner indicates a fault with the indoor unit fan motor.

45 min · skill: intermediate

Error F2 on a Haier split air conditioner indicates a fault with the outdoor unit fan motor.

45 min · skill: intermediate

Error F4 on a Haier split air conditioner indicates the compressor overload protection has tripped.

60 min · skill: intermediate