Troubleshooting
54 Samsung Electronics
DC-Link voltage under/over error (Error Code : E466) (cont.)
1. Connect the terminal block screw and the
power cable oCheck for normal operation
o End service
2. Connect the terminal and the power cable in
the power terminal cabinet o Check for
normal operation o End service
Change the fuse
Yes
Yes
No
Change the outdoor unit inverter PBA and
check for normal operation o End service
Check the
terminal block
and the power terminal cabinet
1. Is screw on the terminal block firmly
assembled?
2. Is power cable and terminal on the
power terminal cabinet firmly
assembled?
Is EMI PBA fuse disconnected?
[AM0✳✳✳XMDEH series]
Cont.
Yes
Yes
[AM0✳✳✳XMDGH series]
[Short-Normal, Open-Bad]
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