Troubleshooting for SkyAir Indoor Unit SiEBE18-526284 Troubleshooting5.14 Malfunction of Field Setting SwitchRemoteControllerDisplayUAApplicableModelsFFQ-B, FHQ-BUMethod ofMalfunctionDetectionMalfunctionDecisionConditionsIncorrect field settingSupposedCauses Indoor-Outdoor (BP) transmission line Faulty remote controller wiringTroubleshootingNONONOConnect correctly.Connect correctly.NormalSet correctly.YESYESYESYESNOYESNONOYESYESNOYES Remove the jumper.NO(Q0401)Check the power supplysystem inside the indoor unit.Could be incorrect wiring.Check again.Replace the indoor unitPCB.Connect the remote controlcorrectly.Are wiringsbetween indoor andBP unit correctlyconnected?Is 220 ~ 240VAC between No.1 and 3of X2M terminal(indoor unit)?Arethe wiringsbetween indoorand BP unitcorrectlyconnected?Is theremote controlconnected to one or moreindoor units?Isthe remotecontroller wiring jumpedbetween indoorunits?Isthe field settingfor pair /twin systemcorrect?Do themicrocomputernormal monitors HAPon all indoor unit PCBblink?Turn the power supply off once,and back on to restart.Does thesystem conduct normaloperation?CautionBe sure to turn off power switch before connect or disconnect connector,or parts damage may be occurred.
