填空题

Problems	Probable causes	Suggested solutions
The display is showing the sign ":".	There has been a power interruption.	Reset (重新设置) the clock.
The fan seems to be running slower than usual.	The oven has been stored in a cold area.	The fan will run slower until the oven warms up to normal room temperature.
The display shows a time counting down but the oven is not cooking.	The oven door is not closed completely.	Closed the door completely.
	You have set the controls as a kitchen timer (定时器).	Touch OFF/CANCEL to cancel the Minute Timer.
The turntable (转盘) will not turn.	The support is not operating correctly.	Check the turntable support is properly in place, and restart the oven.
The microwave oven will not run.	The door is not firmly closed.	Close the door firmly.
	You did not touch the button "START".	Touch the button" START "
	You did not follow directions exactly.	Follow the directions exactly.

What is the cause for the turntable to fail to turn
______ is not operating correctly.