60
6022221B - Direct Drive HVLS Fan UM
November 2022
Troubleshooting Guide
PROBLEM
POSSIBLE CAUSE
SOLUTION
The fan does not operate.
No power to the control panel.
Ensure the disconnect is in the
ON position
Check for primary power at the
terminals.
Primary fuse(s) are blown.
Replace fuse(s).
Fan does not operate, but the
control panel has power.
There is an obstruction
preventing movement.
Check the fan unit.
Ensure there are no
obstructions preventing
movement.
The remote is not properly
connected.
Check the connections between
the remote and the VFD.
The VFD defaulted.
Check for the VFD fault.
Check the
The fire circuit is open.
A Red fire alarm indicator
displays.
The fire alarm is active if the fire
circuit is open.
Review the building fire system
and reset it, if necessary.
The fan is operating, but turning
in the wrong direction.
Wire sequence
Switch two phases of the output
wiring from the VFD to the
motor.
Intermittent connectivity inside
the remote control panel.
Make sure the connections
inside the remote control
touchscreen are secure.
The fan is operating, but shows
excessive wobble.
The guy wires are not tensioned
properly.
Re-tension the guy wires. See
A winglet is missing.
Replace the winglet.
The fan is generating a ticking
noise and the tick increases
with speed.
The blade bolts are not properly
tightened.
Loose the blade nuts,
Support the blade level
horizontally before torquing the
bolts to 24-28 ft-lbs.
TOC