BIG ASS FANS 400, Installation Manual, Page: 20 / 32

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BIG ASS FAN 400
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For questions about your product or customer service inquiries, please call our toll free number (877-BIG-FANS).
Some issues can be resolved before requesting service. Review the below troubleshooting tips before contacting Customer Service for
support.
Symptom Possible Solution(s)
The fan will not start.
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for functionality.
• Make sure that all wires are securely connected and the fan is properly wired to a
grounded outlet box.
The fan is noisy during operation. • Check all mounting and fan hardware. If loose, tighten.
The fan wobbles.
• Remove the airfoil to ensure the colored sticker matches the sticker on the fan hub. If
necessary, move the airfoils to the matching hub attachment points.
• Make sure that all mounting hardware is secure and tight.
• Make sure that all the airfoils are aligned properly and securely fastened to the fan hub.
• If an airfoil is damaged, contact Customer Service. Note: Airfoils must be replaced as a
set. Do not replace individual airfoils.
• If you installed multiple fans, ensure the serial numbers on the airfoils match the serial
number on the fan hub.
• Ensure the mounting ball is properly seated in the mounting bracket.
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• Make sure the airfoils are aligned properly.
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The fan jerks upon startup.
• This is normal and may happen occasionally upon startup. An initial slight jerking forward
and backward does not affect fan operation.
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