Mitsubishi MELSEC-A series, Programming Manual

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ERROR CODE LIST 9.
Table 9.3 Error Code List for AnACPU and A3A Board (Continue)
Error Massage
Error
Code
(D9008)
Detailed
Error
Code
(D9091)
CPU
States
Error and Cause Corrective Action
"LINK UNIT
ERROR"
42 — STOP (1) Either data link module is loaded to
the master station.
(2) There are 2 link modules which are
set to the master station (station 0).
(1) Remove data link module from the
master station.
(2) Reduce the number of master
stations to 1.
Reduce the link modules to 1 when
the 3-tier system is not used.
"I/O INT.
ERROR"
43 — STOP Though the interrupt module is not
loaded, an interrupt occurred. Since it is hardware error of a module,
replace and check a defective module.
For defective modules, consult Mitsubishi
representative.
"SP.UNIT
LAY.ERR."
44 441 STOP A special function module is assigned
as an I/O module, or vice versa, in the I/
O assignment using parameters from
the peripheral device. Execute I/O assignment again using
parameters from the peripheral device
according to the loading status of special
function modules.
442 There are 9 or more special function
modules (except the interrupt module)
which can execute interruption to the
CPU module loaded. Reduce the special function modules
(except the interrupt module) which can
execute interrupt start to 8 or less.
443 There are 2 or more data link modules
loaded. Reduce the data link modules to 1 or
less.
444 There are 7 or more modules such as a
computer link module loaded to one
CPU module. Reduce the computer link modules to 6
or less.
445 There are 2 or more interrupt modules
loaded. Reduce the interrupt modules to 1 or
less.
446 Modules assigned by parameters for
MNT/MINI automatic refresh from the
peripheral device do not conform with
the types of station modules actually
linked. Perform again module assignment for
MNT/MINI automatic refresh with
parameters according to actually linked
station modules.
447 The number of modules of I/O
assignment registration (number of
loaded modules) per one CPU module
for the special function modules which
can use dedicated instructions is larger
than the specified limit. (Total of the
number of computers shown below is
larger than 1344.) Reduce the number of loaded special
function modules.
(AD59 5)
(AD57(S1)/AD58 8)
(AJ71C24(S3/S6/S8) 10)
(AJ7IUC24 10)
(AJ71C21(S1) (S2) 29)
+ ((AJ71PT32(S3) in extension
mode 125)
Total 1344