639
Troubleshooting
Section 12-2
Memory Errors
■
Reference Information
Probable cause
Possible remedy
Automatic transfer from the Memory Cassette
at startup failed because the required data is
not on the Memory Cassette.
Store the required data on the Memory Cas-
sette.
An error has occurred in memory. One or
more bits in A403 will turn ON to indicate
where the error has occurred. See below for
details.
• Memory Error Location
See below.
A403.00 is ON
A checksum error
has occurred in the
user program.
The power supply
was turned OFF
when backing up the
user program to
flash memory.
Transfer the user program again.
A403.04 is ON
A checksum error
has occurred in the
PLC Setup.
Transfer the PLC Setup again.
A403.07 is ON
A checksum error
has occurred in the
routing tables.
Transfer the routing tables again.
A403.09 is ON
The contents of a
Memory Cassette
could not be nor-
mally read to the
CPU Unit when
power was turned
ON.
Check to see if the files required for automatic
transfer at startup are present on the Memory
Cassette.
A403.10 is ON
There is a problem
with flash memory.
A hardware error has occurred in the CPU Unit.
Replace the CPU Unit.
A403.11 is ON
A checksum error
has occurred in IP
address table.
Transfer the IP address table again.
A403.12 is ON
A checksum error
has occurred in IP
router table.
Transfer the IP router table again.
Error flag
Memory Error Flag, A401.15
Error code (A400)
80F1
Error information
Memory Error Location, A403
Содержание CP1L-EL20DR-D
Страница 3: ...CP1L EL20D CP1L EM30D CP1L EM40D CP1L EL EM CPU Unit Operation Manual Produced July 2017...
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Страница 10: ...x...
Страница 22: ...xxii...
Страница 34: ...xxxiv Software Licenses and Copyrights 7...
Страница 178: ...144 Connecting the CX Programmer Section 5 1 Click the Connect button to connect and then connection online is completed...
Страница 192: ...158 Trial Operation and Debugging Section 5 3...
Страница 250: ...216 Automatic Clock Adjustment and Specifying Servers by Host Name Section 6 7...
Страница 666: ...632 Trouble Shooting Section 11 7...
Страница 696: ...662 Standard Models Appendix A...
Страница 805: ...771 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 806: ...772 Connections to Serial Communications Option Boards Appendix F...
Страница 836: ...802 PLC Setup Appendix G...
Страница 838: ...804 TCP Status Transitions Appendix H...
Страница 840: ...806 Ethernet Network Parameters Appendix I...
Страница 842: ...808 Buffer Configuration CP1L EL EM Appendix J...
Страница 844: ...810 Ethernet Specifications Appendix K...
Страница 851: ...Index 817 work words 118 write protection 447...
Страница 852: ...818 Index...
Страница 854: ...820 Revision History...
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