Haier Air Conditioner Error Codes
3 error codes with causes and step-by-step fixes
Your Haier air conditioner uses 3 distinct error codes to flag faults before they turn into a full breakdown. The most common cluster around sensor (2), control (1). Of these, about 3 can usually be cleared at home without a technician, while 1 point to more serious faults that may warrant a professional. Typical repair costs on this appliance run from $0 for simple DIY fixes up to $450 for professional component replacement.
Find your code in the table below for its exact meaning, the most likely causes ranked by how often they're the culprit, a step-by-step fix, the parts you may need, and a clear call on when it's worth phoning a repair pro.
Documented Haier air conditioner codes on this page: E1 — room temperature sensor fault; E7 — indoor–outdoor unit communication failure; F1 — indoor coil (evaporator pipe) temperature sensor fault.