TroubleshootingSamsung Electronics 614-5-8 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?YesNo Connect the power cableYesNoCheck whether a fuse has blown YesNoExchange the fuseIs the reactor connected correctly? Check the connection of reactorDoes the error occur frequently?YesNoExchange INVERTER PCBCheck the input power(AC 230V ± 15%)