Error Codes; Error Code List - Mitsubishi Electric MELSEC-A series User Manual

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ERROR CODES

6.

6.1 Error Code List

If an error occurs in the RUN mode, an error display or error code (including a
step number) is stored in the special register by the self-diagnosis function. The
error code reading procedure and the causes of and corrective actions for errors
are shown in Table 6.1
6.1.1 Error Codes
The following are the explanation about the descriptions and the causes of the
error messages, error codes and the detailed error codes, and their correctives
actions.
The detailed error codes are stored in D9092 only when using the dedicated
instruction for CC-Link.
Error
Error
Code
Message
(D9008)
"INSTRCT.
10
CODE
ERR"
Table 6.1 Error Code List
Detailed
Error
CPU
Code
States
(D9092)
Stop
Instruction code, which can-
not be decoded by CPU
module, is included in the
program.
(1)Memory cassette includ-
(2)Since the memory con-
101
Instruction code, which can-
not be decoded by CPU
module, is included in the
program.
(1)Memory cassette includ-
(2)Since the memory con-
Error and Cause
ing instruction code,
which cannot be decoded,
has been loaded.
tents have changed for
some reason, instruction
code, which cannot be
decoded, has been
included.
ing instruction code,
which cannot be decoded,
has been loaded.
tents have changed for
some reason, instruction
code, which cannot be
decoded, has been
included.
63
Corrective Action
(1)Read the error step by use
of peripheral equipment
and correct the program at
that step.
(2)In the case of memory
cassette, rewrite the con-
tents or replace the cas-
sette with a memory
cassette which stores cor-
rect contents.
(1)Read the error step by use
of peripheral equipment
and correct the program at
that step.
(2)In the case of memory
cassette, rewrite the con-
tents or replace the cas-
sette with a memory
cassette which stores cor-
rect contents.

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