6
- 134
6.17 Self-diagnostics Function
6
FUNCTIONS
: Self-diagnostics is performed, : Self-diagnostics is not performed
(Continued on next page)
Table6.35 Self-diagnostics list (Continued)
Diagnosics
Error message
Diagnostics timing
CPU
module
status
LED status
CPU module
RUN
ERR.
1)
2)
3)
4)
5)
Handling
error
Module comparison
*1 *2
UNIT VERIFY ERR.
• When the END
instruction is
executed
Stop/
Continue
OFF
/ON
Flash/ON
Base assignment error BASE LAY ERROR
• When the CPU
module is powered
on/reset
Stop
OFF
Flash
Intelligent function
module allocation
error
SP.UNIT LAY ERR.
• When the CPU
module is powered
on/reset
• When switched from
STOP to RUN
Stop
OFF
Flash
Intelligent program
execution error
*1
SP.UNIT ERROR
• When the FROM/TO
instruction is
executed
Stop/
Continue
OFF
/ON
Flash/ON
*5
Intelligent function
module version error
SP.UNIT VER.ERR
• When the CPU
module is powered
on/reset
Stop
OFF
Flash
*5
No parameter
MISSING PARA.
• When the CPU
module is powered
on/reset
• When switched from
STOP to RUN
Stop
OFF
Flash
Boot error
BOOT ERROR
• When the CPU
module is powered
on/reset
Stop
OFF
Flash
Backup error
ESTORE ERROR
• When the CPU
module is powered
on/reset
Stop
OFF
Flash
Memory card
operation error
*1
ICM.OPE. ERROR
• When the memory
card is installed/
removed
Stop/
Continue
OFF/ON
Flash/ON
File setting error
FILE SET ERROR
• When the CPU
module is powered
on/reset
• When writing data to
the programmable
controller
Stop
OFF
Flash
File access error
*1
FILE OPE.
ERROR
• When an instruction
is executed
Stop/
Continue
OFF/ON
Flash/ON
Instruction execution
not possible
CAN'T EXE.PRG.
• When the CPU
module is powered
on/reset
• When switched from
STOP to RUN
Stop
OFF
Flash