We're sorry to hear that your AM09 is showing an H2 error. This error is there to alert you to an over/under current. The machine draws more energy while in heat mode, 1500 watts. You will want to ensure that your machine is being plugged directly into outlet and not a power strip/extension cord.Feb 25, 2020
How do I reset my Dyson heater?
https://www.youtube.com/watch?v=XeEkYxHSZ70
How do I fix the error on my Dyson fan?
https://www.youtube.com/watch?v=yHi7uByJX9Y
Why does my Dyson heater turn off?
In heating mode the appliance will automatically switch 'OFF' after 9 hours of continuous use and will return to standby mode. To restart the machine, press the power button on either the remote control or the base.
Can Dyson heaters cause fires?
Hazard: The heaters can develop an electrical short and overheat, posing a fire hazard to the consumer.