Mitsubishi Q2ACPU User Manual page 176

9. MAINTENANCE FUNCTION
The following shows the details of the error item numbers and default for priorities which is
set in special registers SD207 to SD209.
Error Item
Order of
No.
priority
(Hex.)
1 1 AC DOWN
UNIT VERIFY ERR.
2 2 FUSE BREAK OFF
SP.UNIT ERROR
OPERATION ERROR
LINK PARA.ERROR
3 3
SFCP OPE.ERROR
SFCP EXE.ERROR
ICM.OPE.ERROR
4 4 FILE OPE.ERROR
EXTEND INST.ERROR
5 5 PRG.TIME OVER
6 6 CHK instruction
7 7
Annunciators
8 8 LED instruction
9 9 BATTERY ERR.
10 A Clock data
*1 For annunciators, it is possible to set alternating displays of comment and occurrence time by
parameter setting (PC RAS setting).
Example: When setting to display comments and occurrence time in PC RAS setting in the
parameter mode:
[Display of the 2nd occurrence time or later]
The occurrence time is displayed for the first annunciator only.
The second time or later are displayed as follows:
"--M--D--:--:--".
[Display of the 2nd comment or later]
To display the 2nd annunciator comment or later, perform the following:
Create one comment file.
To create the comment file with the same file name as the program, describe the comment
of the annunciator used for all comment files.
9 - 20
Description
AC power/DC power OFF
I/O module verification
Fuse blown
Special function module access error
Operation error
Link parameter error
SFC instruction operation error
SFC program execution error
Memory card operation error
File access error
Extended instruction error
Constant scan setting time over error
Low-speed execution monitoring timeout
*1
Remark