TROUBLESHOOTING AND MAINTENANCE
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02.9690.0001 A 15 April 2010 71
Step 7. As indicated in Figure A-12, at LED cooling assembly heatsinks, run Mottler brush gently
through and in the direction of the heatsink fins from top to bottom so debris will fall down
and away from assembly. Care should be taken as not to damage heatsinks.
Figure A-12: VLX Wash Cooling System Heatsink Cleaning
Step 8. Using compressed air duster, blow any remaining debris from heatsink fins in the same
direction as indicated in previous step.
WARNING: DO NOT direct compressed air through heatsinks towards fans or vice-versa. Doing so
will cause the fans to spin at a high rate and could damage them. Also, never use any type of cleaning
solution on heatsinks.
Step 9. Reassemble luminaire by following Steps 3 through 6 in reverse order.
Step 10. Power luminaire and test.
LED Cooling Assembly Heatsinks
Remove any debris in direction
of heatsink fins (top to bottom)
NOTE: Do not direct compressed air
through the heatsinks (towards fans)
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