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5. TROUBLESHOOTING
CONDITION
Some installed LED light bars are
at different brightness levels even
though a dimmer is not installed.
One LED light bar does not come on.
All LED light bars in the system do not
come on.
The system does not dim or perform
as expected when connected to a
dimmer.
POTENTIAL CAUSE
The quantity of light bars per power supply are not
correctly matched.
The connection of the DC splitter cable to the LED
light bar is not secure, or the light bar or DC splitter
cable are possibly the cause.
AC power is not connected correctly, or the power
supply, AC power cable, or DC Power manifold cable
are possibly defective.
The dimmer is not installed correctly, or the dimmer
is not compatible. The dimming cable is possibly
the cause.
RESOLUTION
Check the power supply label first to identify how
many light bars should be connected to it. Add or
remove light bars to the correct quantity for the
power supply or order the correct power supply for
the quantity of installed light bars.
1. Check for proper connection of the DC splitter
cable to the light bar.
2. Swap the light bar to a different location in the
array. Replace if the cause.
3. Remove the DC splitter cable from the light bars
and power supply and perform a continuity test of
the cable. Replace if the cause.
4. If the above do not resolve the issue, contact
Fluence Support.
1A. Check that AC power is properly connected,
present, and correct any deficiencies.
1B. Check the dimmer level. Removing the dimmer
cable from the driver - all lights should be on at
100% (could be a shortcut in the dimming circuit)
2. Check that the power supply is outputting
the correct DC power at the port pins by using a
multimeter set for DC volts. Replace if the cause.
3. Remove the DC power cables from the light bars
and AC cable from the power supply and perform a
continuity test of the cables. Replace if the cause.
4. If the above do not resolve the issue, contact
Fluence Support.
1. Ensure the dimmer is 0-10V Sink control
compatible and has enough sinking capacity for the
connected power supplies.. Replace the dimmer If
incorrect or the cause.
2. Check the dimming cables for correct connection
and polarity. Correct any deficiencies.
3. Remove the DC dimming cable from the dimmer
and power supply and perform a continuity test of
the cable. Replace if the cause.
4. Replace the power supply.
5. If the above do not resolve the issue, contact
Fluence Support.
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