November 2022
6022221B - Direct Drive HVLS Fan UM
59
Troubleshooting Guide
TROUBLESHOOTING GUIDE
Before servicing the industrial fan, read and follow
Operating Instructions on page 49
. Failure to do so could result in death or serious injury.
Before doing any electrical work, make certain the power is disconnected and properly locked or
tagged off.
Failure to do so may result in death or serious injury.
All electrical troubleshooting and repair must be done by a qualified technician and meet all
applicable codes.
Do not route control wiring for any other device through the control box.
Ensure that the voltage and phase of the incoming power agrees with the label located on top of
the VFD box and fan.
Be certain power is off when wiring to the control box.
Failure to do so could result in electrical shock, death or serious injury.
The functions of the fan are controlled by a Variable Frequency Drive (VFD). Error codes display on
the touchscreen Fault Code screen.
Use the following table to find the condition that most closely matches your situation and make the
recommended adjustments.
TOC