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Table 6.3 Error Code List for AnUCPU (Continue)
Error
Error
Code
Massage
(D9008)
"CAN'T
15
EXECUTE
(I)"
(Checked
at
occurrence
of
interrupt.)
"CASSETT
16
E ERROR"
"RAM
20
ERROR"
(Checked
at power
on.)
Detailed
Error
CPU
Code
States
(D9091)
151
STOP
The
instruction was given
outside of the interrupt
program and was
executed.
152
There is no
instruction in the
interrupt program.
153
Though an interrupt
module is used, no
interrupt pointer (I)
which corresponds to
the module is given in
the program.
occurrence of error, the
problem pointer (I)
number is stored at
D9011.
STOP
Memory cassette is not
loaded.
201
STOP
The sequence program
storage RAM in the
CPU module caused
an error.
202
The work area RAM in
the CPU module
caused an error.
203
The device memory in
the CPU module
caused an error.
204
The address RAM in
the CPU module
caused an error.
119
Error and Cause
IRET
IRET
Upon
Corrective Action
Read the error step
using a peripheral device
and delete the
IRET
instruction.
Check the interrupt
program if the
IRET
instruction is given in it.
Write the
IRET
instruction if it is not
given.
Monitor special register
D9011 using a
peripheral device, and
check if the interrupt
program that
corresponds to the
stored data is provided
or if two or more
interrupt pointers (I) of
the same number are
given.
Make
necessary corrections.
Turn off the PC power
and load the memory
cassette.
Since this is CPU
hardware error, consult
Mitsubishi
representative.

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