Repair method: After replacing the relay with the same model, the fault was eliminated. Analysis and inspection: The cause of this fault may be a fault in the indoor electronic control board or the contactor of the compressor control relay being stuck together. After cutting off the power, use a multimeter to measure the compressor relay, the resistance value is infinite. Data source: Beijing Haier Air-conditioner Repair Center http://blog.163.com/haier_ktwx. Haier air conditioner, normal cooling, but the outdoor unit does not stop when shutting down.