Overhead Ceiling Fans
45
®
Problem: One or more fans run intermittently, but will not run consistently.
1
Have all fault codes been acknowledged and reset on fan
control?
Yes
No
One or more fans may have experienced a fault.
Refer
to list of fault codes on page 50 for detailed descriptions.
Acknowledge and reset all faults, then cycle power to fans.
Fans will only operate when Op Status code is equal to 0.
Refer to instructions in the appropriate control manual for
accessing Op Status code.
2
Are line voltage measurements /- 10% of nominal
voltage across L1 and L2, L2 and L3, L1 and L3 on VFD
power terminals?
Yes
No
Phase imbalance or incorrect supply power applied to
fan.
Correct supply power wiring to fan.
3
Were fans and controls installed using only the provided
networking components (green shielded CAT-5e cables,
black shielded 3-way RJ45 splitters) or components that
comply with specifications on page 34?
Yes
No
Networking components may be defective, incorrectly
wired, or do not meet required specifications.
Replace
with provided components or components that comply
with specifications on page 34.
4
Have all CAT-5e cable connections been unplugged and
reconnected to ensure that cables are fully seated (will
hear a “click” when fully seated)?
Yes
No
Loose or misaligned CAT-5e cable connection.
Unplug
and reconnect all CAT-5e cable connections.
5
Are the dipswitches on all fan VFDs set as shown on pages
36-39?
Yes
No
Incorrect dipswitch settings on one or multiple VFDs.
Adjust dipswitches as shown on pages 36-39. All fans
must have a unique Modbus address setting on dipswitch
bank 3.
6
Do fans operate as expected?
Yes
No
Contact factory.
Everything is working properly.
Problem: One or more fans run, but are making excessive noise/vibrating.
1
Have all fasteners been torqued to the appropriate values
listed in the IOM?
Yes
No
Loose fasteners.
Torque all fasteners to the appropriate
values. Refer to pages 17-27 for torque specifications of
each fastener.
2
Have the factory-provided guy wires been installed on all
fans (if applicable)?
Yes
No
Guy wires are not installed.
Refer to pages 25-26 for guy
wire installation instructions.
3
Have the guy wires on all fans been tightened?
Yes
No
Loose guy wires.
Refer to pages 25-26 for guy wire
installation instructions.
4
Is the downtube level on all sides for all installed fans?
Yes
No
Fans not installed level.
Refer to pages 25-26 for guy wire
installation and fan levelling instructions.
5
Remove the black plastic covers from all fan VFDs and
operate fans using the control. Does the noise/vibration
continue?
Yes
No
Misaligned VFD cover.
Reinstall the black plastic cover
on the fan VFD, making sure to align the tabs on the cover
with the slots in the VFD heatsink. Plastic cover can make
noise when improperly aligned.
6
Turn off power and rotate all fans by hand. Can fans rotate
freely without any audible rubbing, scraping, or grinding
noise?
Yes
No
Rubbing components on the fan hub and/or airfoils.
Correct any issues that are found.
7
Has noise/vibration ceased?
Yes
No
Contact factory.
Everything is working properly.
Quick Start
Guide
Gener
al
Information
Pr
e-Installation
Mechanical
Installation
Fir
e System
Integr
ation
Electrical
Installation
Fan
Netw
orking
Oper
ation And
Maintenance
Troubleshooting
Refer
ence