Full Product Manual

Page 10
FAN SYSTEM
FAN WON’T RUN AND 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
Blade in contact with shroud
Re-center blade hub
Motor stalled (will not turn by hand)
Replace motor
BREAKER TRIPS OR FUSE BLOWS WHEN FAN IS
STARTED
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
INTUITIVE CONTROL PANEL ERROR CODES
E1  OVER CURRENT PROTECTION
Current draw too high
•Check extension cord size
•Check motor spins freely
•Check airow not obstructed
•Replace motor
E2  OVER VOLTAGE PROTECTION
Supply voltage too high ≥ 132V
•Try dierent circuit
•Install Voltage Regulator
E3  LOW VOLTAGE PROTECTION
Supply voltage too low ≤ 108V
•Try dierent 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 airow 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
6.0 TROUBLESHOOTING/REPAIR
6.2 TROUBLESHOOTING GUIDES