Omron C200H Operation Manual page 276

Error Messages
Error and message
FAL error
Cycle time overrun
I/O table verification error
Remote I/O error
Master Unit number
Special I/O error
Battery error
Fatal Operating Errors
266
POWER and RUN indicators will be lit and the ALARM/ERROR indicator will
be flashing. The RUN output will be ON.
FAL no.
01 to 99
F8
E7
B0 or B1
*
Remote I/O
D0
F7
The following error messages appear for errors that occur after program exe-
cution has been started. PC operation and program execution will stop and
all outputs from the PC will be turned OFF when any of the following errors
occur. No CPU indicators will be lit for the power interruption error. For all
Probable cause
FAL(06) has been executed
in program. Check the FAL
number to determine
conditions that would cause
execution (set by user).
Watchdog timer has
exceeded 100 ms.
Unit has been removed
making I/O table incorrect.
Error occurred in
transmissions between
Remote I/O Units.
Error has occurred in PC
Link Unit, Remote I/O
Master Unit, between a
Host, SYSMAC LINK, or
SYSMAC NET Link Unit
and the CPU, or in refresh
between Special I/O Unit
and the CPU.
Backup battery is missing or
its voltage has dropped.
Section 8-4
Possible correction
Correct according to cause
indicated by FAL number
(set by user).
Program cycle time is
longer than recommended.
Reduce cycle time if
possible.
Use I/O Table Verify
Operation to check I/O table
and either connect dummy
Units or register the I/O
table again.
Check transmission line
between PC and Master
and between Remote I/O
Units.
Determine the unit number
of the unit which caused the
error (AR 00), correct the
error, and toggle the
appropriate Restart Bit in
AR 01 or SR 252. If the unit
does not restart, replace it.
Check battery and replace if
necessary.