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Table 1: Troubleshooting
Symptom
One or more White
Strobe layers not lit
and indicator LED
not lit on driver of
faulty layers
One or more White
Strobe layers not lit,
but all Indicator
LED's are lit on
driver modules
Red Beacon will not
operate. Indicator on
Beacon driver
module not lit
Red Beacon will not
operate. Indicator on
Beacon driver
module is lit
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Dialight Corporation 1501 Route 34 South
Tel: 732.919.3119 Fax:732.751.5778 Web: www.dialight.com
Possible Cause
One or more drive
modules not receiving
power or module is
faulty
Cable between power
supply and light
engine disconnected
or faulty
No power to Beacon
module or faulty
driver module
Possible bad
connection between
driver module and
light engine.
Possible LED string
failure.
Sheet 12 of 14
Document No.
9100-127-1109-99 Rev A
Release Date: Sept 11, 2007
Corrective Action
Check modules receiving power.
Replace any faulty driver modules.
Check cable connections.
Check power connections to
Beacon driver module. Replace
module if faulty
Check cable between light engine
and power supply is connected
properly.
Possible LED string failure.
Replace light engine.
Farmingdale NJ 07727
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