29ENGLISHWired remote controlf If an error occurs, is displayed on the wired remote control.f If you would like to see an error code, press the Test button.Display ExplanationE108 Error due to repeated communication addressE121 Error on room temperature sensor of indoor unit (Short or Open)E122 Error on EVA IN sensor of indoor unit (Short or Open)E123 Error on EVA OUT sensor of indoor unit (Short or Open)E153 Error on float switch (2nd detection)E154 Indoor fan errorE198 Error on thermal fuse of indoor unit (Open)E201Communication error between indoor unit and outdoor unit (Pre tracking failure or when actualnumber of indoor units are different from the indoor unit quantity setting on the outdoor unit) Errordue to communication traking failure after initial power is supplied.E202 Communication error between indoor unit and outdoor unit (When there is no response from indoorunits after tracking is completed)E203 Communication error between outdoor unit inv - main micom (For PF #4~#6 controller, error will bedetermined from the time when compressor is turned on)E221 Error on outdoor temperature sensor (Short or Open)E231 Error on outdoor COND OUT sensor (Short or Open)E251 Error on discharge temperature sensor of compressor 1 (Short or Open)E320 Error on OLP sensor (Short or Open)E403 Compressor down due to freeze protection controlE404 System stop due to overload protection controlE416 System stop due to discharge temperatureE422 Blockage detected on high pressure pipeE425 Reverse phase or open phaseE440 Heating operation restricted at outdoor temperature over Theat_high value [default: 30°C(86°F)]E441 Cooling operation restricted at outdoor temperature below Tcool_low value [default: 0 °C(0 °F)]E458 Fan speed errorE461 Error due to operation failure of inverter compressorE462 System stop due to full current controlE463 Over current trip / PFC over current errorE464 IPM Over Current(O.C)E465 Comp. Over load errorE466 DC-Link voltage under/over errorE467 Error due to abnormal rotation of the compressor or unconnected wire of compressorE468 Error on current sensor (Short or Open)