6-11
6 Troubleshooting
CP1E CPU Unit Hardware User’s Manual(W479)
6-1 Troubleshooting CPU Unit Errors
6
6-1-8 Fatal Errors
z Reference
z Reference
z Reference
Error flag Program Error Flag, A401.09
Error code (A400) 80F0
Error information Program Error Details, A294 to A299
Cycle Time Exceeded Error
Cause Remedy
This error occurs when the cycle time
PV exceeds the maximum cycle time
set in the PLC Setup.
• Change the program to reduce the cycle time.
• Change the maximum cycle time setting.
• Refer to the Maximum Interrupt Task Processing Time (A440) and
study the maximum cycle time.
For example, use the JUMP instruction to skip sections that are not
executed to shorten the cycle time.
Error flag Cycle Time Too Long Error, A401.08
Error code (A400) 809F
Error information −
Errors Created with FALS Instructions
Cause Remedy
FALS instruction executed
(fatal error) in the program.
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 −