840156700 nv03.qxd
1/30/07
Cleaning
Clean the filter once every 3-6 months (depending on usage).
1
Troubleshooting
POTENTIAL PROBLEM
Unit will not turn on.
Reduced air flow or poor
filtering.
6
1:42 PM
Page 6
It is important to clean the permanent filter regularly.
2
PROBABLE CAUSE
• Is the unit plugged in?
• Is the Control Knob turned on?
• The air intake or air outlet grille may be blocked. Make sure nothing is in front of or directly
behind the unit.
• The filter may be clogged. Clean the filter with a vacuum if needed.
3
4