Full Product Manual

Pag e 11
6.0 TROUBLESHOOTING/REPAIR
6.2 TROUBLESHOOTING GUIDES (CONTINUED)
FAN SYSTEM
Fan won’t run - makes no
sound
Check power cord, extension
cord, switches, circuit breaker
Reconnect power or extension
cord; Reset breaker
Fan won’t run - makes
humming sound
Check Capacitor
Re-center blade hub
Motor stalled (will not turn by
hand)
Replace motor
Breaker trips/fuse blows when
fan starts
Motor stall
Replace motor
Check power source for min.
120 volt/10 amp
Upgrade power supply
Extension cord gauge too small
Replace with heavier cord
Motor overheats, shuts off and
restarts several minutes later
Extension cord gauge too small
Replace with heavier cord
Inlet air obstructed or too close
to wall
Provide minimum 3 feet inlet
clearance
Faulty motor
Replace motor
Fan motor won’t run - switch
makes soft clicking sound
Ensure that switch is making
good contact
Replace switch if needed
Fan blade doesn’t turn - unit
makes squealing sound
Motor stall (will not turn by
hand)
Replace motor
Fan will not reach speed but
turns and makes humming
sound
Check Capacitor (where
visible) and motor electrical
connections
Replace capacitor or motor
Extension cord gauge too small
Replace with heavier cord