Haier AP242ACBEA Operation And Installation Manual

Also see for AP242ACBEA: Service manual Service manual

18When problems occur?2. Power supplyAir conditioner must use an exclusive line (over 30A)When installation air conditioner in a wet place, try to use a circuit breaker againstCurrent leakage.For installation in other places, use circuit breaker as far as possible.Such means for disconnection must be incorporation in the fixed wiringThe breaker of the air conditioner should be all-pole switch ; and the distance betweenits two contacts should be no less 3 mm.The parameter of power cord is : AP242ACBEA : H05RN-F 3G 4.0mm2AP42NACBEA :H05RN-F 5G 2.5mm21. Errors displayTable of control pan and circuit board inspection displays during errors with theindoor unit.Inspection displayE1E2E3E4E5E6E8E9Contents of breakdownThe parameter of connect cord is H05RN-F 4G 0.75mm2Room temp. sensor abnormalIndoor coil temp. sensor abnormalOutdoor coil temp. sensor abnormalOver-current or phase sequence malfunctionCommunication malfunction between indoor and wired controllerCommunication malfunction between indoor and outdoor abnormalOutdoor temp. sensor abnormalHigh / Low pressure abnormal