Tip & How-To about Dyson Dryers

Dyson Cool fans and Hot + Cool heaters - Replacing the remote battery (Non-screw type)

How to replace the battery in your Dyson Cool fan or Hot + Coolâ„¢ heater's remote. This applies to remotes which include a push-fit base.

If your remote control's signal range deteriorates, you made need to replace your remote's battery. Press the end of the remote to release the battery. Please use battery type CR 2032.

Do not install backwards or short circuit the batteries. Do not attempt to dismantle or charge the batteries. Keep away from fire. Follow battery manufacturers' instructions when installing new batteries.

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1 Answer

My days on heat/ cool fan won't start on cool


Hi there, it's Jack at Dyson.

To run your Dyson Hot + Cool heater on fan mode, you need to turn the target temperature down to 0 degrees using either the remote, or the controls on the base. The target temperature is shown on the LED display on the front of the heater. When fan mode is activated the light around the on/off button will turn from red to blue.


I hope this helps, but if you'd like any further advice you're welcome to contact our experts 0800 298 0298 (UK), 1-866-693-9766 (US), 1-877-397-6622 (CA) or 1800 239 766 (AU).

Sep 30, 2014 | Dyson AM04 Hot Cool Heater/Table Fan -...

1 Answer

dyson hot and cold fan only works in hot mode


Hi there, it's Jack at Dyson.

When you adjust the target temperature of your Dyson Hot fan heater (shown on the LED display on the base), you're setting the target temperature you would like the room heated to. The actual temperature of airflow produced by the fan heater will not vary.

If the heater won't run below 25 degrees, this is likely to be because the temperature of the room you're in is equal to or warmer than 25 degrees. The heater will only turn itself on if the temperature drops below 25 degrees, and once the room temperature reaches this target once again, the fan will turn itself back to monitoring mode.

I've attached our Getting started video below which shows how to adjust the temperature, using the remote or the controls on the base.

I hope this makes sense. It sounds as if your machine is working correctly, but if you'd like any further advice from our experts you can reach us at 0800 298 0298 (UK), 1-866-693-9766 (US), 1-877-397-6622 (CA) or 1800 239 766 (AU).

Nov 09, 2012 | Dyson AM04 Hot Cool Fan Heater White

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