Table of Contents
LED codes
Power on detected errors
LED
Fault
08-11
48V error
NPSUL failure
PWRUP=0-9
12-1B
48V error
NPSUR
failure
PWRUP=0-9
168
Symptoms
1. Error occurs when 48 volt
distribution falls below 42
volts during powerup state
displayed. Powerup state
indicates which loads are
being turned on.
2. Excessive load on 48 volts due
to an inadequate number of
functioning 48 volt supplies
or overload condition on 48V
bus.
3. Possible node power supply
(NPS) upper left failure.
1. Error occurs when 48 volt
distribution falls below 42
volts during powerup state
displayed. Powerup state
indicates which loads are
being turned on.
2. Excessive load on 48 volts due
to an inadequate number of
functioning 48 volt supplies
or overload condition on 48V
bus.
3. Possible node power supply
(NPS) upper right failure.
Corrective action
Call the Response Center.
Call the Response Center.
Appendix A
Table of Contents
