FA-8 PRODUCT MANUAL
Page 5
TROUBLESHOOTING:
PROBLEM
CAUSE
SOLUTION
Unit will not turn
on.
1. No power to unit.
2. Switch not on.
3. Switch is faulty.
4. Faulty/broken cord or motor wire
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
broken wire.
Unit runs but fan
makes loud
scraping noise.
1. Unit has been severely dislodged
causing fan to rub against housing /
vane motor mount.
2. Vane motor mount has been severely
deformed.
1. Remove wire grill and reinstall or
replace fan blade.
2. Reinstall or replace Vane motor
mount.
Unit runs but
vibrates
excessively.
1. Dislodging has bent motor position
causing unit to be out of balance.
2. Motor is damaged.
1. Reinstall motor with new mounts.
2. Replace Motor.
Unit runs but
motor does not
turn.
1. Motor bearings are failing or motor
has developed an internal electrical fault.
2. Intake grill and/or exhaust grill
obstructed.
1. Remove and replace motor.
2. Remove obstruction.