Vornado MVH Air Flow Weaker than Usual

If your Vornado MVH is experiencing weakened airflow issues, follow this page for solutions.

Dust and debris can accumulate on the vents, restricting airflow.

• Use a vacuum cleaner with a brush attachment to gently clean the exterior vents.
• For stubborn buildup, use a soft brush or cotton swab dampened with mild soap and water. Ensure the unit is unplugged and completely dry before use.

Over time, dust can accumulate inside the unit, affecting the fan's performance.

Always unplug the unit and allow it to cool down completely before cleaning. Consult the user manual for specific disassembly instructions. Typically, you'll need to remove the rear grill or housing using a screwdriver. Take photos as you disassemble the unit to help you remember how to put it back together.

Use a soft brush or vacuum cleaner with a brush attachment to remove dust from the fan blades and surrounding components. Avoid using liquids directly on electrical components. If necessary, lightly dampen a cloth with isopropyl alcohol and gently wipe the surfaces.

Carefully reassemble the unit, referring to the photos you took during disassembly. Ensure all parts are securely in place before plugging the unit back in.

Make sure nothing is blocking the airflow around the heater.

• Ensure the heater is placed on a flat, open surface, away from walls, curtains, or furniture that could restrict airflow.

To replace a fan motor in your Vornado fan, you will need to unplug the fan, then unscrew the two screws from the back plate, then remove the grille, and then carefully disconnect the old motor and connect the new one, ensuring proper wiring and reassembly.

Here is a more detailed breakdown:

• Always make sure the Vornado is powered off and unplugged before attempting any repairs or disassembly.
• Ensure the fan is completely cooled before handling any parts.

• Remove the fan grille: Carefully detach the grille by removing screws or clips.
• Remove the back panel: Locate and remove any screws or clips securing the back
• Locate the motor: The motor is usually located behind the back panel, often in the middle of the fan.

• Identify the wiring: Note the wiring connections to the old motor, making sure to remember where the wires go.
• Disconnect the wires: Carefully disconnect the wires from the old fan motor, by either unscrewing terminals or pulling off connectors but be careful not to damage the wires.
• Remove the motor: Unscrew and remove the old motor from its mounting bracket.

• Mounting the new motor: Attach the brand-new motor you order or bought from your local shop to mounting bracket, ensuring it is securely fastened.
• Connect the wires: Reconnect the wires to the new motor carefully, by matching the colors and positions of the old wires.
• Double-check connections: Make sure all the connections are in the right place and secure in the right place and properly seated.

• Reinstall the back panel: Attach the back panel, ensuring that it is securely fastened.
• Reinstall the fan grille: Place the fan grille back into its position, ensuring it is securely fastened.
• Test the Vornado: Plug the Vornado back into power outlet and test its operation.