10. Window detection function
In heating mode, when the device detects that the ambient temperature has dropped
by 3 degrees or more within 2 minutes (this is performed after 2 minutes), it is
determined that the user has opened the window and the device switches to standby
mode.
After the window opening detection function is activated, the device can be turned off
and on, or the power button on the device or remote control can be pressed to
restore normal status).
Detection open windows on/off: Press and hold the Temp. Setting Mode for 5
seconds to turn off the window detection function, then press and hold the Temp.
Setting Mode for 5 seconds to open the window detection function
11. Fahrenheit and Celsius switch
Press and hold the Timing Indicator for 5 seconds to switch between
Fahrenheit/Celsius temperature, default Celsius temperature.
(This function has a turn-off memory function).
12. Fault alarm code:.
Temperature sensor fault alarm: the display flashes and shows EI (until the fault is
resolved), accompanied by 1 minute buzzer.
Ultra temperature alarm: when the temperature sensor has dropped to 60°C, the
display blinks and shows E2 (until the fault is cleared), accompanied by 1 minute
buzzer.