Troubleshooting
Samsung Electronics 45
DC-Link voltage under/over error (Error Code : E466) (cont.)
1. Connect the terminal block screw and the
power cable → Check for normal operation →
End service
2. Connect the terminal and the power cable in
the power terminal cabinet → Check for normal
operation → End service
Replace the fuse.
Yes
Yes
No
Change the outdoor unit inverter PBA and
check for normal operation → 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?
Check list for model which
uses 1 phase power.
Cont.
Yes
Yes
Check list for model which uses
3 phase power.
[Short-Normal, Open-Bad]
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