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 01102) 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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