104
Table 6.2 Error Code List for AnACPU (Continue)
Error
Massage
Error
Code
(D9008)
Detailed
Error
Code
(D9091)
CPU
States
Error and Cause
Corrective Action
411
Though an access was
made to a special
function module at
execution of the
FROM/TO instruction,
no response is
received.
"SP.UNIT
DOWN"
41
412
STOP
If parameter I/O
assignment is being
executed, no response
is received from a
special function module
at initial
communication.
At error occurrence,
the head I/O number
(upper 2 digits of 3
digits) of the special
function module that
caused error is stored
at D9011.
Since it is hardware
error of the special
function module to which
an access was made,
consult Mitsubishi
representative.
"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.
Summary of Contents for Melsec A Series
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