207
Troubleshooting Tables
Section 9-3
9-3-1
Fatal Errors
Any errors that occur should be investigated and remove immediately. After
correcting an error, restart the PLC or clear the error from a Programming
Device.
Customizable Counter Unit Fatal Errors
Error
Unit indicators
Error
message
Error log
(SIOU code,
details 1,
details 2)
SR 23500
to
SR 23507
Error
flags
Meaning and corrective
measures
RUN OPN
ERC
ERH
Power
interrupted
OFF
OFF
OFF
OFF
---
---
---
---
Power has been interrupted for at
least 10 ms.
Check power supply voltage and
power lines. Try to power-on again.
Unit WDT
error
OFF
OFF
OFF
OFF
---
---
---
---
A WDT timer error has occurred.
Change to PROGRAM mode and
try to power-on again.
Unit RAM
error
OFF
OFF
Lit
OFF
---
---
---
---
An error was detected when check-
ing RAM for shared memory with
CPU Unit at power-on.
Try to power-on again.
Summary of Contents for CS1W-HCA12-V1
Page 2: ......
Page 6: ...vi...
Page 20: ...xx Conformance to EC Directives 7...
Page 38: ...18 Models and System Configurations Section 1 2...
Page 78: ...58 Fail safe Circuits Section 3 5...
Page 138: ...118 AR Area Section 6 4...
Page 204: ...184 Improved Instructions Section 7 14...
Page 222: ...202 Cycle Time Section 8 3...
Page 240: ...220 Troubleshooting Flowcharts Section 9 5...
Page 244: ...224 Precautions when Using the CX Programmer Appendix A...
Page 252: ......
Page 253: ......