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292 T1-16S User’s Manual
10. Troubleshooting
Error message and related information Special Meaning and countermeasures
Event Info 1 Info 2 Info 3 device
Sys RAM check err Error
address
Error data Test data S004
S011
In the power-up initialization, an error has
detected by system RAM read/write
checking. (Error down and programming
tool cannot be connected)
Replace the unit if the error remains after
power OFF and ON again.
Sys ROM BCC error Illegal
BCC
S004
S010
BCC error has been detected in the system
program in the ROM. (Error down and
programming tool cannot be connected)
Replace the unit if the error remains after
power OFF and ON again.
System power off Power OFF (no error)
System power on Power ON (no error)
Sub-r nesting err Program
type -
block No.
Address
in the
block
Sub-r No. The nesting of subroutines exceeds 3
levels.
(Error down)
Correct the program.
WD timer error Address 1 Address 2 S004
S01F
The watchdog timer error has occurred.
(Error down)
If the error occurs frequently, replace the
unit.