TroubleshootingSamsung Electronics454-5-8 DC-link voltage under/over error (E466)1.Check items1) Is the input power normal?2) Is the AC power connected correctly?2.Check procedureIs the power cable connected correctly?YesNoConnect the power cableYesNoCheck whether a fuse has blownYesNoExchange the fuseIs the reactor connected correctly?Check the connection of reactorDoes the error occur frequently?YesNoExchange INVERTER PCBCheck the input power(AC 230V±15%)