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548
Trouble Shooting
Section 8-7
8-7
Trouble Shooting
8-7-1
Symptom at Power ON or during Operation
Note
Do not repair the LCD Option Board by yourself.
8-7-2
Communication Error Message during Operation
When communication error occurs, the error message will be displayed at the
LCD Option Board and the red backlight will blink.
Symptom
Probable cause
Possible solution
No LCD display
LCD connection error or no power supply
from PLC.
Check if LCD is connected correctly and the
PLC power supply is normal.
Still in startup waiting time.
It's not error. Just wait a moment.
Display EEPROM Error
Screen and blinking red back-
light
EEPROM is damaged.
Replace the LCD Option Board.
User settings in EEPROM are corrupted.
Press the ESC button to exit the screen.
User settings backed up in EEPROM will be
replaced by default settings. Then proceed
to reset the screens. (See 8-7-3 for details.)
Display NG Screen
LCD connection error.
Check if LCD is connected correctly.
Communication error between LCD and
PLC.
Check the communication setting of PLC,
switching DipSW4 to ON.
Display Error Screen and
blinking red backlight
PLC error
Check PLC according to error code and
eliminate the error.
Button unresponsing
Button is damaged.
Replace the LCD Option Board.
User setting error.
Check the settings and change it.
Noise disturbing.
Retry after the noise is reduced.
Display too faint
Backlight is damaged.
Replace the LCD Option Board.
Contrast level is too low or too high.
Reset the contrast level.
Error message
Probable cause
Possible solution
Parity Error or Framing Error
or Overrun Error
Communication parameters or conditions of
PLC are changed.
Check the communication setting of PLC.
LCD connection error.
Check if LCD is still connected correctly.
Noise disturbing.
• Return to normal automatically when the
noise is reduced.
• If the display cannot return to normal,
press the ESC button to restart LCD.
FCS Error(Sum check)
Noise disturbing.
• Return to normal automatically when the
noise is reduced.
• If the display cannot return to normal,
press the ESC button to restart LCD.
Buffer overflow
The length of receiving data is beyond the
range of receiving memory.
Press the ESC button to restart LCD.
Noise disturbing.
Connecting Host...
LCD connection error.
Check if LCD is still connected correctly.
The communication between PLC and LCD
is out of service.
Check if PLC is running normally.
Response code Error
Operation mistake.
Refer to CJ/CS Communication Manual for
solutions according to an end code.
Noise disturbing.
• Return to normal automatically if the noise
is reduced.
• Press the ESC button to exit the screen.
CX-Programmer and LCD execute some
function at the same time.
Press the ESC button to exit the screen.
Execute this function by either CX-Pro-
grammer or LCD.
Содержание CP1L CPU UNIT - 03-2009
Страница 1: ...Cat No W462 E1 06 CP1L CPU Unit SYSMAC CP Series CP1L L_0D_ CP1L M_0D_ OPERATION MANUAL...
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Страница 4: ...iv...
Страница 10: ...x...
Страница 22: ...xxii...
Страница 34: ...xxxiv Conformance to EC Directives 6...
Страница 70: ...36 Function Blocks Section 1 5...
Страница 584: ...550 Trouble Shooting Section 8 7...
Страница 627: ...593 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Страница 630: ...596 Sample Application Section 9 12...
Страница 654: ...620 Troubleshooting Unit Errors Section 11 4...
Страница 662: ...628 Replacing User serviceable Parts Section 12 2...
Страница 668: ...634 Standard Models Appendix A...
Страница 698: ...664 Auxiliary Area Allocations by Function Appendix C...
Страница 746: ...712 Auxiliary Area Allocations by Address Appendix D...
Страница 773: ...739 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 774: ...740 Connections to Serial Communications Option Boards Appendix F...
Страница 806: ...772 Index...
Страница 808: ...774 Revision History...