Continental Electric CE11153, CE11155 Do This, Press Timer button, Press Check Filter button

T em p			T em p
T i m er			T i m er
	On	Off
	Timer
Check		Sleep
Filter
Auto	Cool	Auto	Low
	Mode		Fan

T em p			T em p
T i m er			T i m er
	On	Off
	Timer
Check		Sleep
Filter
Auto	Cool	Auto	Low
	Mode		Fan

DO THIS:

Press Timer button

DO THIS:

Press Check Filter button