229
System Maintenance
Section 6-11
Select “Device Check”.
Select “LED Check”.
S
If the RUN LED is functioning normally, it will operate as follows. At this time the
“LED Check” touch switch will be displayed in reverse video.
Lit in green
→
OFF
→
lit in red
→
OFF
→
lit in green...
S
To end the LED check, press the “LED Check” touch switch on the “DEVICE
CHECK MENU” screen again.
Checking the LCD (Screen Display)
Check if the LCD (screen display) functions normally by following the menu opera-
tion from the System Menu shown below.
Select “Maintenance Mode”.
Select “I/O Check”.
Summary of Contents for NT31 Series
Page 1: ...Cat No V043 E1 2 Programmable Terminal NT31 31C OPERATION MANUAL...
Page 2: ...iii NT31 31C Programmable Terminal Operation Manual Produced March 1999...
Page 41: ...30 Before Operating Section 1 5...
Page 75: ...64 Using a Memory Unit NT31 NT31C without V1 Section 3 6...
Page 160: ...149...
Page 174: ...163...
Page 193: ...182...
Page 211: ...200...
Page 235: ...224 c Return to the screen on which screens are specified...
Page 262: ...251...
Page 360: ...349 It is not possible to control a gloval window by touch switch operation...
Page 468: ...457 254 255 0 2 7 1 4 5 3 3 0 0 0 5 9 8 0 3...
Page 476: ...465 Special Functions Section 7 16...
Page 495: ...484 OFF...
Page 610: ...599 Commands Responses Section 9 3...
Page 630: ...619 Examples of Actual Applications of Memory Link Section 10 2...