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9. TROUBLESHOOTING
- - - - - - - - - - - - - - - - - - - - MELSEC·A
Table 9.1 Error Code List (Continued)
Content of
Speclel
CPU
Error Me ••age
Register
States
Error and Cause
Corrective Action
09008
(BIN value)
"CAN'T EXE-
13
Stop
(6) The [JMPj instruction has
Read the error by use of peripheral
CUTE (P)"
caused execution to deviate
device and correct the program at
(Checked at
from the subroutine before the
that step.
(Make correction such
[CJ). [SCJ],
[RET]
instruction is
executed.
as the insertion of jump destina-
[JUMPJ.
(7) The [JMPJ instruction has
tion or the changing of jump des-
[CALL (P)J.
caused execution to jump to a
tinations to one.)
[FOR to NEXT]
step or subroutine between
[FOR to NEXT],
"CHK FORMAT
14
Stop
(1) There are instructions (includ-
Check the program of the [CHI<)
ERR"
ing [NOP]) other than LOX, LOIX
instruction circuit block for (1) to
(Checked at
ANOX and ANIX in the [CHI<) in-
(6) in the left column. Correct er-
STOP to RUN
struction circuit block.
rors using a peripheral device and
and PAUSE to
(2) There Is more than one [CHI<)
start operation again.
RUN)
instruction.
(3) The number of contact points
in the [CHK] instruction circuit
block exceeds 150.
(4) The X device number in the
[CHK] instruction circuit block
exceeds X1FE.
(5) There is not
H~
circuit block above the [CHI<)
instruction circuit block.
(6) 01 device (number) of the
[CHKI 011 02) instruction is di-
fferent from the contact device
(number) above the CJ[] instru-
ction.
(7) Pointer P254 is not attached to
the start of the [CHK] instruction
circuit block.
P254~HH~
"ROM ERROR"
17
Stop
(1) Parameters and sequence pro-
Replace EP-ROM with another Ep·
(Checked at
grams are not correctly written
ROM to which parameters and se-
power on and
to installed EP·ROM,
que nee programs are correctly
reset)
(2) EP-ROM is destroyed,
written.
MEMORY
18
Stop
The MEMORY PROTECT switch is
Set the MEMORY PROTECT switch
PROTECT
set in the ON position while ope rat-
in the OFF position.
ERROR'
ing the A2C system using ROM
(Checked at
stored programs.
power on and
reset)
9-13
I

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