Omron NT31 NT31C manual Device Check, Checking the Buzzer, Check if the buzzer sounds correctly

System Maintenance Section 6-11

BOILER OPERATION

	T 015003		T 015301		T 016312
	RUN		STOP		ERROR
L	020000	L	020005	L	020013
Start		Stop			Error
Confirmation		Confirmation			Occurrence

BOILER OPERATION

	T 015003		T 015301		T 016312
	RUN		STOP		ERROR
L	020000	L	020005	L	020013
Start		Stop			Error
Confirmation		Confirmation			Occurrence

Press Quit to return to the screen number selection screen.

Press Disp.

Touching the top or bottom of the screen changes the way the display elements over- lap each other in the order in which they are registered.

In this example, the bottom portion of the touch switch, which is under the lamp, will be displayed over the lamp.

When you have finished checking the screen, press the central part of the screen to return to the screen number selection screen.

If you wish to continue by checking another screen, repeat the operation, start- ing by specifying the screen number.

To end the operation, press Quit on the screen number selection screen. The

NT31/NT31C returns to the MAINTENANCE MODE MENU screen.

6-11-7 Device Check

	The NT31/NT31C provides checks on the functions of the following items.
	• Buzzer	Page 205
	• LED	Page 206
	• LCD	Page 208
	• Backlight	Page 209
	• Screen data memory	Page 209
	• Touch switches	Page 212
	• Battery voltage	Page 214
Checking the Buzzer	Check if the buzzer sounds correctly.

205