Daikin RXN error codes
Models: RXN-LV1B9, RXN09AXVJU, RXN12AXVJU, RXN18AXVJU, RXN24AXVJU
00NormalA1Indoor pcb abnormalityA3Drain pump abnormalA5Antifreeze protection or high pressure controlA6Indoor fan motor abnormalityA7Air swing motor lockC4Indoor heat exchanger thermistor abnormalityC9Indoor room thermistor short / openE1Outdoor pcb abnormalityE5Compressor overloadE6Compressor lock/start-up abnormalityE7Outdoor fan motor lockE8AC input overcurrentE9EXV errorEA4 way valve abnormalityF3Discharge pipe overheatF6Heat exchanger overheatH0Compressor sensor system abnormalH6Position sensor abnormal (compressor)H8Ac current sensor abnormalityH9Outdoor air thermistor short / openJ3Compressor discharge pipe thermistor short / open / misplacedJ6Outdoor heat exchanger thermistor short / openL3Electrical box temperature rise (compressor off)L4Heat sink overheat (compressor on)L5IPM error / IGBT errorP4Heat sink thermistor abnormalityU0Insufficient gasU2DC voltage out of rangeU4Communication abnormalityUAInstallation abnormality
Codes the manuals give for these models. The brand's general codes: Daikin