Black Box AC401A - Manual (Page 30)

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CHAPTER 5: Maintenance and Troubleshooting
2. Gently remove the filter and
clean it by washing it in gentle
soap. Be sure to let the filter dry
completely before re-inserting it
in the Projection Panel.
The frequency with which you
will need to clean the filter
depends on how often you
use the Panel. Typically, you
will need to clean the filter
approximately once every
three to six months or when
the Projection Panel overheats
from a clogged filter.
5.3 Troubleshooting Guide
Before calling Technical Support
for assistance, attempt to solve the
problem by checking this
troubleshooting guide.
Problem : Nothing on screen.
Possible Causes and Solutions :
• You may not have any power
or you may be using the wrong
power supply. Check to see that
the proper Projection Panel
power supply is being used
with the Projection Panel.
Filter
Fig. 5-1. The Projection Panel Filter.