WARNING
: TO REDUCE THE RISK OF ELECTRIC SHOCK, UNPLUG BEFORE
TROUBLESHOOTING.
PROBLEM
The air mover will not
operate.
The air mover runs but
makes loud scraping
noise.
The air mover runs but
blower wheel does not
rotate.
The air mover runs
briefly then shuts
off due to overload
protection.
The air mover runs
but with excessive
vibration.
TROUBLESHOOTING
POSSIBLE CAUSE
No power supply.
Faulty power cord.
Switch in the wrong position.
The switch is faulty or burned out.
Overload protection has engaged,
shutting off the air mover.
Damage to the unit has caused
deformed housing or misaligned
wheel.
The blower wheel and housing are
jammed.
There is a problem with the switch or
capacitor.
The intake grill or air discharge grill is
obstructed.
The motor is damaged or worn out.
The blower wheel has dirt build up.
The blower wheel is damaged, or the
motor is bent.
Check the power supply, cord,
breakers, and fuses.
Unplug and check the power
cord. If damaged, have it repaired
by a professional.
Move the switch to the "On"
position (I, II, or III).
Have the switch replaced by a
professional.
First check and remove any
power tool or other devices from
the power receptacle. Then set
the switch to the "Off" position (0)
and press the reset button.
Replace the air mover.
Replace the air mover.
Remove the obstruction.
Replace the air mover.
Have the air mover inspected by
a professional.
Have the blower wheel cleaned
by a professional.
Replace the air mover.
11
SOLUTION