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Big Ass Fans

Essence Support

FAQs

About Essence

Why is there no lens on Essence with UV-C Technology?

Essence with UV-C Technology does not have a lens because the lens would reduce the efficiency of the UV-C LEDs.

How often should the Essence with UV-C Technology LED board be replaced?

For optimal performance, the UV-C LED board should be replaced every three years.

How do I clean the Essence with UV-C Technology LEDs?

Clean the UV-C LEDs monthly to ensure optimal performance. Use a compressed air duster to remove dust and debris from the UV-C LEDs. Do not touch the UV-C LEDs while cleaning. Hold the duster can upright when using.

Controlling Essence

How do I operate my fan with the wired wall controller?

To start the fan, turn the control knob clockwise.

Note: When the fan is turned on, the LED indicator at the top of the controller is lit. The LED will flash an error code if there is a problem with the fan. Click here for more information on LED error codes.

To stop the fan, turn the control knob counterclockwise.

To increase fan speed, turn the control knob clockwise.

To decrease fan speed, turn the control knob counterclockwise.

Note: The fan may take 30–60 seconds to start rotating after it is turned on. It is normal to see “cogging” (abrupt direction changes) as the fan positions itself relative to the motor stator.

How do I operate my fan with the wireless wall controller?

To start the fan, press the On button. The fan will turn on to 100% speed.

To stop the fan, press the Off button.

To increase fan speed, press the Increase Speed button. To decrease fan speed, press the Decrease Speed button.

By default, pressing the center button sets the fan speed to 50%. To program a preferred speed setting:

  1. Use the speed adjustment buttons to select the desired fan speed.
  2. Press and hold the center button for approximately six seconds until the LED flashes to save the setting.

Note: The fan may take 30–60 seconds to start rotating after it is turned on. It is normal to see “cogging” (abrupt direction changes) as the fan positions itself relative to the motor stator.

My fan will not start.

Verify the following:

  • All wires are securely connected.
  • The blue wire and the yellow wire on the controller input cable are wired together (the fire alarm shutdown circuit is closed). To restart the fan and clear the fire fault, close the circuit and turn off power to the fan for 60 seconds. View fan wiring details:
  • The wall controller has power.
  • Supply power is adequate and functional.
  • All fuses are functional. If a fuse is blown, refer to the instructions for replacing fuses.

If the fan still does not start, contact Customer Service.

How do I reverse my fan?

Big Ass Fans recommends operating the fan in the forward (FWD) direction. The fan should be rotating counterclockwise when viewed from below. Click here for more information.

To reverse the direction of the fan:

  1. Disconnect the fan from power.
  2. Select the direction of the fan using the direction selector switch located on the fan’s cover plate assembly.
  3. Reapply power to the fan.

Trouble with Something Else

Why is the LED indicator on my fan blinking?

This is indicating a fault code. Big Ass Fans have built-in checks that look for both internal and external faults.

If the fan currently has a fault, the LED indicators on both the controller and the fan’s extension tube will blink a set number of times, then pause for four seconds. The number of times the indicator flashes before pausing indicates the fault.  For example, seven flashes indicates that the fan is tied into a fire alarm system that has been set off. View the full list of fault codes.

To clear a fault code, turn off power to the fan at the circuit breaker for a minimum of five minutes.  After five minutes, turn the power back on and run your fan.

How do I replace a fuse on my fan?

To replace a fuse:

  1. Disconnect the fan from power.
  2. Remove the four screws to open the electronics cover.
  3. Gently twist and pull out the fuse holder and replace the fuse.
  4. Reinstall the fuse holder.
  5. Reattach the electronics cover.

Suitable fuse replacements:

  • Bussman S505 Series
  • Littelfuse 215 Series
  • Mersen Fuse GSF
  • Bel Fuse 5HT
My fan moves back and forth before it starts spinning.

When the fan begins to run, it goes through a startup sequence. The fan will take between 30 and 60 seconds to start rotating once it has been turned on. It is normal to see “cogging” (abrupt direction changes) during startup as the fan positions itself relative to the motor stator.

A popping noise is coming from my fan.

Airfoil noise occurs when airfoils are not tightened to the specified torque. Disconnect the fan from power, and then tighten the airfoil hardware to 29 ft·lb (39.3 N·m). Note: If the hardware is stainless steel, tighten the airfoil hardware to 10 ft·lb (13.6 N·m). If popping still occurs, verify that the airfoils are not contacting each other. If they are, contact Customer Service.

My fan wobbles during operation.
  • Verify that the mounting structure is rigid enough to support the fan and that the fan is not being exposed to external air forces.
  • If guy wires were installed, confirm proper installation. If guy wires were not installed, contact Customer Service.

Still Need Help?

Call our exceptional customer service team for help with all your fan-related questions.

+61 1300 244 277

FAQs