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