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).