Check if the device is powered on. Press the On/Standby Button to turn it on;
The heater is too hot, and the overheating protection is triggered. Keep the air inlet/outlet open and unobstructed, and restart the heater after it cools down;
Child lock is enabled. Disable child lock;
Ensure the power plug is securely connected and that the socket is working. Try plugging another appliance into the same outlet to confirm there’s no electrical issue;
If the device remains unresponsive after trying the above steps, reset the heater to factory settings by pressing and holding the Oscillation Button and Mode Button simultaneously for 7 seconds while the heater is powered on;
If the issue persists after performing the above checks, please contact our after-sales service for further assistance.