Full Product Manual

7
6.1 Troubleshooting (continued)
Fan System
Please use caution when troubleshooting or repairing all electrical components. Be certain
that all power is disconnected from the COOL-SPACE
®
unit before the cooling pads or fan
guard are removed to gain access to the fan.
Direct Drive Models
Problem
Check
Solution
Fan won't run and makes no
sound.
Power cord, extension cord, switches,
circuit breaker, GFI ground fault.
Reconnect power or
extension cord.
Reset breaker.
Fan motor won’t run and makes
a humming sound.
Blade in contact with shroud.
Motor stalled (will not turn by hand).
Re-center blade
hub.
Replace motor.
Breaker trips or fuse blows when
fan is started.
Motor stall.
Check power source for min. 120volt/15
amp. Extension cord.
Replace motor.
Upgrade power
supply. Replace
with heavier cord.
Motor overheating and shutting
off. Restarting several minutes
later.
Extension cord gauge too small.
Inlet air obstructed or too close to
wall.
Faulty motor.
Replace with
heavier cord.
Provide minimum
3 feet inlet
clearance.
Replace motor.
Fan motor won’t run and switch
makes soft clicking sound.
Switch making good contact. Replace switch.
Fan blade doesn’t turn and unit
makes squealing sound.
Motor stall (as above).
Replace motor.
Fan will not reach speed but
turns and makes humming
sound.
Capacitor (where visible) and motor
electrical connections. Extension cord to
small.
Replace capacitor or
motor.
Increase cord
gauge.