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3. If you notice any debris around the
impellers, then follow these steps. Use a
screwdriver to remove the small screw
used to hold in the cover.
4. Tilt the cover. Lift away from the unit.
CAUTION: Make sure the unit is turned OFF
before performing maintenance to impellers!
1. It is important to routinely check for
debris trapped in the impeller. The
“Floor Only” LED on the control box
will start ashing if the unit detects
that there is signicant debris
in the impellers.
2. Look down at the unit from the
top and check for debris around the
impellers (circled above).
d. Impeller Maintenance
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