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RI-50 LED indicator lights
LED lights on the front of the RI-50 communicate its operating status.
LED Color Indication Likely cause
Power Green steady Power is applied and
AUX remote power
control input is active
Normal operation
No supply voltage or
remote power control
input is not active
Ensure 12-24V switch is in correct position
for supply voltage
Fault The fault indicator
shows existing
conditions as steady
colors and historic
patterns.
Re-power the RI-50 to
indication.
cause damage to the equipment.
Warnings indicate conditions that can cause
the RI-50 to change the operating state of
the radar, e.g. switching it to standby.
The historic indication helps to identify the
cause of intermittent problems.
Normal
Blue Under or Over
voltage
Low supply voltage to the RI-50
Purple Over current including
short circuits
Input current > 20A or output current > 8A
Red Over temperature The internal temperature > 90°C (194°F).
to touch.
Once the RI-50 returns
to a stable state, either
RUN or OFF, the fault
LED will indicate its last
condition.
warning that is detected.
The patterns repeat every 5s. Only one
pattern displays at a time. Patterns consist
(.) or long (-).
Warnings start with short; faults start with
long. There are no patterns with all long.
Warning
.-.-
and condition of the battery or power
source.
Warning
.-.
The AUX: Remote input was OFF, < 2.5V.
external connection if used.
Warning
..-.
Flat battery or very low input voltage, < 5V
Warning
.
Low input voltage in 12V system, < 9.5V. The
RI-50 switched to standby due to low input
heavy load.
Warning
..
Low input voltage in 24V system, < 19V. The
RI-50 switched to standby due to low input
heavy load.
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