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481
Troubleshooting
Section 9-2
Errors Created with FALS Instructions
■
Reference Information
9-2-4
CPU Errors
■
CPU Unit Indicators
A CPU error or fatal error may have occurred if the ERR/ALM indicator lights
during operation (RUN mode or MONITOR mode), the RUN indicator turns
OFF, and operation stops. A CPU error may have occurred if nothing is shown
on the 7-segment display or the same message remains on the display.
CPU Errors
■
Reference Information
Note
Just as when a CPU error occurs, the RUN indicator will turn OFF and the
ERR/ALM indicator will light when a fatal error occurs. Connecting the CX-
Programmer, however, is possible for fatal errors but not for CPU errors. If the
CX-Programmer cannot be connected (online), a CPU error has probably
occurred.
Probable cause
Possible remedy
FALS instruction executed (FALS number 001)
C100 hex will be added to the FALS number (001 to 1FF hex)
and the result will be stored in A400 as the error code (C100 to
C2FF hex).
Check the conditions for executing FALS instructions and
remove any causes for the user-defined error.
Error flag
FALS Error Flag, A401.06
Error code (A400)
C101 to C2FF
Error information
---
POWER
Lit
RUN
Not lit
ERR/ALM
Lit
INH
---
BKUP
---
PRPHL
---
POWER
RUN
INH
PRPHL
BKUP
ERR/AL
Probable cause
Possible remedy
A WDT (watchdog) error occurred in the
CPU Unit. (This does not occur in normal
use.)
Cycle the power supply. The Unit may be
faulty. Consult your OMRON representa-
tive.
Error flag
None
Error code (A400)
None
Error information
None
Содержание CP1L - 12-2007
Страница 3: ...iv...
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Страница 13: ...xiv TABLE OF CONTENTS...
Страница 21: ...xxii...
Страница 33: ...xxxiv Conformance to EC Directives 6...
Страница 65: ...32 Function Blocks Section 1 5...
Страница 428: ...395 Clock Section 6 9...
Страница 429: ...396 Clock Section 6 9...
Страница 523: ...488 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...496 Replacing User serviceable Parts Section 10 2...
Страница 563: ...528 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...576 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...603 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...604 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...634 Index...
Страница 671: ...636 Revision History...