Full Product Manual

7
6.1 Troubleshooting (continued)
Fan System
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.
Intuitive Control Panel Error Codes
ERROR CODE
CAUSE
SOLUTION
E1 – Over Current
Protection
Current draw too high
Check extension cord size, Check motor
spins freely, Check airflow not obstructed,
Replace motor
E2 – Over Voltage
Protection
Supply voltage too high ≥132V
Try different circuit, Install voltage
regulator
E3 – Low Voltage
Protection
Supply voltage too low ≤108V
Try different circuit, Install voltage
regulator
E4 – Loss of Phase
Protection
Motor phase imbalance
Loose or disconnected motor wire, Replace
motor
E7 – Overload
Protection
Motor running too hot
Check extension cord size, Check motor
spins freely, Check airflow not obstructed,
Replace motor
F6 – Communication
Failure
Failure of communication between
control panel and control board
Check connection of control cable, Check
control cable not broken