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292 T1-16S User’s Manual
10. Troubleshooting
Error message and related information Special Meaning and counter measures
Event Inf o 1 Info 2 Info 3 device
Sys RAM check err Error
address Error data T est data S004
S011 In the power-up initialization, an error has
detecte d by system R AM read/wr ite
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 Il l egal
BCC S004
S010 BCC error has been detected in the system
program in the ROM. (Er ror 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.