Troubleshooting
Samsung Electronics 43
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?
[AM666FXMDCH series]
Cont.
Yes
Yes
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