Power Unit Led - NEC Express5800/140Rf-4 User Manual

8-8 Troubleshooting

Power Unit LED

DC ON LED AC ON LED DC ON LED AC ON LED
Power Unit Error LED Power Unit Error LED
Power Unit Error LED
The Power unit error LED lights amber when an error occurs on the power supply unit.
Check the power unit error LED to identify the failed power supply unit.
AC ON LED
The AC ON LED lights green while the AC power is supplied to the power supply unit.
DC ON LED
The DC ON LED lights green while the DC power is normally output.