Troubleshooting68Samsung Electronics3-29 DC-Link voltage under/over error (Error Code : E466)1. Check items1) Check the power and restarting after power reset→ Is there any problem with input power?(1 Phase: 220Vac, 3 Phase: 380Vac)→ Does error occur again during operation after power reset?2) Check the power cable connection, and joint cable connection3) Check the reactor and reactor wire4) Check the fuse on the EMI PBA5) Check the Terminal block, power terminal cabinet and the power wire assembly2. Check procedureYesRe-connect the power cableNoIs the power cable connected properly?1. Correctly connect the wire between the reactor↔ outdoor unit inverter PBA → Check fornormal operation → End service2. Change the reactor → Check for normal operation→ End serviceNoTurn off the power[Common: Power joint connection failure][AMSSSSXMDCS series]YesCont.Check the reactor andreactor wire connection1. Is wire connection between the reactor ↔outdoor unit inverter PBA normal?2. Is there any problem on reactor coil?(such as scratch/pressed/broken terminal/looseterminal)
