Mitsubishi A1SJH(S8) User Manual page 64

4. CPU MODULE
Diagnostic Item
Instruction code check
Parameter setting check
No END instruction
Unable to execute instruction
Format (CHK instruction) check
Unable to execute instruction
RAM check
Operation circuit check
Watchdog error supervision
END instruction not executed
Main CPU check
Module verify error
*1 (Default: stop)
Fuse blown
*1 (Default: stop)
Control bus check
Special function module error
Link module error
I/O interrupt error
Special function module
assignment error
Special module access error
*1 (Default: stop)
Link parameter error
Low battery
Operation error
*1 (Default: stop)
Self-diagnostics list
Diagnostic Timing
Upon execution of each instruction
When power is ON or RESET
When switching from (STOP, PAUSE)
to (RUN)
When M9056 or M9057 is ON
When switching from (STOP, PAUSE)
to (RUN)
CJ SCJ JMP CALL(P) FOR to NEXT
Upon execution of each instruction
When switching from (STOP, PAUSE)
to (RUN)
When switching from (STOP, PAUSE)
to (RUN)
When interruption occurrs
When switching from (STOP, PAUSE)
to (RUN)
When power is ON or RESET
When M9084 is ON during STOP
When power is ON or RESET
Upon execution of END instruction
Upon execution of END instruction
Always
Upon execution of END instruction
(However, not checked when M9084 is
ON.)
Upon execution of END instruction
(However, not checked when M9084 is
ON.)
Upon execution of FROM, TO instruction
Upon execution of FROM, TO instruction
When power is ON or RESET
When switching from (STOP, PAUSE)
to (RUN)
When interruption occurs
When power is ON or RESET
When switching from (STOP, PAUSE)
to (RUN)
Upon execution of FROM, TO instruction
When power is ON or RESET
When switching from (STOP, PAUSE)
to (RUN)
Always
(However, not checked when M9084 is
ON.)
Upon execution of each instruction
*1 Can be changed by the parameter settings of a peripheral device.
*2 Indicated as a three-digit trouble code only for errors with the CHK instruction.
4 - 12
CPU Mod- Status of
ule Status "RUN" LED
INSTRCT CODE ERR.
PARAMETER ERROR
MISSING END INS
Stop Flickering
CAN'T EXECUTE(P)
CHK FORMAT ERR.
CAN'T EXECUTE(I)
RAM ERROR
OPE.CIRCUIT ERR.
STOP Flickering
WDT ERROR
END NOT EXECUTE
MAIN CPU DOWN
UNIT VERIFY ERR.
Flickering/
STOP/RUN
ON
FUSE BREAK OFF
CONTROL-BUS ERR.
SP.UNIT DOWN
LINK UNIT ERROR
STOP Flickering
I/O INT.ERROR
SP.UNIT LAY.ERR.
Flickering/
STOP/RUN SP.UNIT ERROR
ON
RUN ON LINK PARA.ERROR
RUN ON BATTERY ERROR
Flickering/ OPERATION ERROR
STOP/RUN
ON
[ CHK ERROR
Error Code
Error Message
(D9008)
10
11
12
13
14
15
20
21
22
24
26
31
32
40
41
42
43
44
46
47
70
*2
50
]