Table 11-1: Power Supply Unit Led Indicators - Motorola DIMETRA MTS 2 Installation, Configuration And Basic Service Manual

MTS 2 and MTS 4 Installation, Configuration and Basic Service Manual
Table 11-1
LED Name
DC In Status
DC input and charging
indicator
DC Out / Temp.
DC output and temperature
indicator
Fan # Status
Fan indicator #
(near fan connector #)
LED indication in boot mode
(firmware update through CAN)
6802800U74-N September 2009
Power Supply Unit LED Indicators (Continued)
Color
dual color LED:
green/red
dual color LED:
green/red
dual color LED:
green/red
Condition
PSU is supplied from DC
input
battery is being charged
backup battery or a DC
source supplies the PSU
and the source voltage
drops below 43 VDC ±3%
No source connected to
DC input or the DC voltage
is below 40,5 V
LED off
DC output voltages are
present and within limits
One or more of the output
voltages failed
Over temperature is
detected, 5 -10 °C before
shutdown
Fan # programmed
to operate and Fan #
connected, operating and
fan failure signal is high
Fan # connected but
programmed not to operate
or Fan#1 voltage is out of
limits or the fan failure
signal is low
Fan # not connected and
programmed not to operate
Fan # not connected,
at start up, but should
have been as per CAN
command
PSU Indicators (LEDs)
Indications
Green - solid
Green/red – flashing
fast (2 Hz)
Green/red – flashing
slow (0.5 Hz), shifting
between red and green
Red - solid
orange - solid
Green - solid
Red - solid
Red - flashes
Green - solid
Red - solid
No light
Red - solid
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