Full Product Manual
22
REFERENCE
TROUBLESHOOTING
Symptom
Possible solution
• Verify that the fan’s circuit breaker has power and it is on.
• Does the VFD’s receptacle have power and is the VFD plugged
in?
• Check for secured plug connections. Each connection should
be checked to ensure they are fully engaged.
• Inspect for loose wiring connections. Each termination should
be checked to be sure they are firmly tightened.
FAN WILL NOT START
IF THE ABOVE IS
VERIFIED AS WITHIN
SPECIFICATION
• Cycle the power to the VFD by flipping the circuit breaker off for
a minimum of 3 minutes. Flip the circuit breaker back on and
check the fan’s operation.
MOTOR IS PULLING
EXESSIVELY HIGH AMPS
• Make sure the motor voltage is a match for the supply voltage.
• Make sure that correctly sized fan blades have been installed.
FAN IS “SWINGING” AS IT
RUNS
• Check for correct fan blade installation. Be sure that all blades
are the same size and that all blades have been properly
installed and tightened.
• Ensure all guy wires are tensioned properly and that the
downrod is plumb.
• Check for improper incoming air discharge. Make sure that no
discharge is blowing directly on the fan.
A FAN BLADE APPEARS TO
BE ‘SAGGING’
• Make sure that the ‘sagging’ blade has been properly tightened.
For situations beyond the scope of this Guide, please call our Technical Service Department at 1-844-
593-3267 (FANS).