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Problem Possible Cause
Possible Solution
D EDF circuitry
not working
Green light
won't come
on
Note When the unit is energized there is a slight delay then the green light illuminates If the green
light does not come on check the following:
1 No power to board
2 Circuit board failed•
1 Check 120 volt leads on the LH side of the
board Also check connection at wire nut
and motor connector.
2. Replace board
E Light doesn't
change from
green to red
during normal
operation 1.
Note: The red light may seldom come on during cleaning• This means your cleaner is picking up
primarily fine surface dust and lint which the system may not detect or the carpet is clean• Switch the
unit to Hi sensitivity and re-check. Also check the following:
Microphone out of position.
2. Dirt duct opening "caked" with dirt.
3. Microphone leads disconnected from board. (Small
leads on RH side)
4. Microphone failed.
1. Check to insure the microphone is firmly
pressed into the seat in the dirt duct.
2. Clean and check operation.
3. Check connection.
4. Replace- check the above first.
F. Red light
stays on.
Won't go to
green
G. Thermal
protector
trips
Note: Run cleaner while holding it off the floor. If green light does not come on check the following:
1. Circuit board failed. 1. Replace board.
1. Final filter clogged.
2. Motor bearing tight- motor dragging.
3. Thermal Protector defective.
1. Clean or replace filter.
2. Replace motor.
3. Replace TOC and check operation. Check
items 1and 2 first.