Use and Care Manual

Problem Cause Solution
Unit will not run.
Unit runs but air mover makes
loud scraping noise.
Unit runs but vibrates
excessively.
Unit runs but blower wheel
does not turn.
1. No power to nuit.
2. Switch not on.
3. Switch is faulty.
4. Faulty/broken cord or motor wire
1. Unit has been severely jolted causing blower wheel
to rub against housing.
2. Unit has been severely jolted causing housing to
deform.
1. Severe jolt has bent motor shaft causing unit to be
out of balance.
2. Air mover blade damaged.
3. Dirt build up on one side of air mover blade.
1. Motor bearings are failing or motor has developed
an internal electrical fault.
2. Intake grill and/or exhaust grill is obstructed.
3. Excessive duct length.
1. Plug unit in. Check circuit breaker.
2. Place in “ON” position.
3. Replace switch.
4. Perform continuity check, using volt/amp meter.
Repair/replace faulty broken wire.
1. Remove motor and replace damaged motor
mounts.
2. Replace blower wheel.
1. Remove and replace motor.
2. Replace blade if necessary.
3. Clean air mover blade.
1. Replace motor.
2. Remove obstruction.
3. Reduce duct length to recommended maximum
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