Mitsubishi Electric MELSEC-Q Series User Manual page 138

Error
Error
Code
Massage
(D9008)
"SP.UNIT
44
LAY.ERR."
"SP.UNIT
44
LAY.ERR."
Table 6.1 Error Code List (Continue)
Detailed
Error CPU
Code States
(D9091)
There are 2 or more
445 interrupt modules
loaded.
Modules assigned by
parameters for MNT/
STOP
MINI automatic refresh
446 from the peripheral
device do not conform
with the types of station
modules actually linked.
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
447
the specified limit. (Total
of the number of
computers shown below
is larger than 1344.)
STOP
+
(1) Five or more network
(2) A total of five or more
448
An invalid base module is
used.
449
Failure of base module
hardware.
Error and Cause
(A1SJ71C24-R2(PRF/R4) 10)
(A1SJ71UC24 10)
(A1SJ71PT32-S3 125)
(A1SJ71PT32(S3) * 125)
Total 1344
modules have been
installed.
of network modules
and data link
modules have been
installed.
104
Corrective Action
Reduce the interrupt
modules to 1.
Perform again module
assignment for MNT/
MINI automatic refresh
with parameters
according to actually
linked station modules.
Reduce the number of
loaded special function
modules.
*Available when the
extension mode is used.
(1) Reduce the number
to four or less.
(2) Reduce the total
number to four or
less.
Use an available base
module.
Replace the failed base
module.