14
Sunnex TRI-STAR Service & Installation
Manual
Sunnex Customer Service
Sunnex, LLC
+ 1 800 445 7869
Warranty
+ 1 800 445 7869
10. TROUBLESHOOTING
Please refer to the following table for troubleshooting.
CAUTION! DISCONNECT THE LIGHT FROM THE POWER
SUPPLY BEFORE ATTEMPTING ANY OF THE
ELECTRICAL CHECKS MENTIONED BELOW.
PROBLEM
POSSIBLE CAUSE
SOLUTION
No light from light head
Light head is on OFF
position
Turn on the ON/OFF switch to
ON position
No light from light head, when
ON/OFF switch is ON
Bulb has not been
installed or it has burned
out
Refer to bulb replacement
procedure in the manual
Fuse is blown
Inspect / replace the fuse
following the fuse replacement
procedure
No power to the
transformer box
Check for facility power to the
transformer box
Transformer is
malfunctioning
Check for 14 V AC output at
the transformer when it is
under load.
Incorrect bulb installed
Install correct bulb
Bulb burns out quickly
Incorrect bulb installed in
the light head
Install correct bulb
Light output is irregular in its
shape or intensity
Incorrect bulb installed in
the light head
Install correct bulb
Bulb/reflector is not
seated in its holder
correctly
Adjust the bulb/reflector so it
seats in the holder properly.
No light from light head even
when the bulb and fuse are in
good condition, light head
flashes intermittently when light
head or arms are moved
Circuit or wiring problem
within transformer, arm
assemblies or other part
of lighting system
Check all wiring connections. If
problem cannot be repaired,
call Sunnex Customer Service
