Mitsubishi Melsec-Q Series User Manual page 381

Error
Code Error Contents and Cause
(SD0)
[SP. UNIT LAY ERR.]
• A module is mounted on the 37th slot or later
slot.
• A module is mounted on the slot whose number
is greater than the number of slots specified at
[Slots] in [Standard setting] of the base setting.
• A module is mounted on the slot whose number
of I/O points exceeds 2048 points.
• A module is mounted on the slot whose number
of I/O points strides 2048 points.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
[SP. UNIT LAY ERR.]
• A module is mounted on the 25th slot or later
slot. (The 17th slot or later slot for the Q00J.)
• A module is mounted on the slot whose number
is greater than the number of slots specified at
[Slots] in [Standard setting] of the base setting.
2124
• A module is mounted on the slot whose number
of I/O points exceeds 1024 points. (256 points for
the Q00J.)
• A module is mounted on the slot whose number
of I/O points strides 1024 points. (256 points for
the Q00J.)
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
[SP. UNIT LAY ERR.]
5 or more extension base units were added. (3
bases for Q00J)
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
[SP. UNIT LAY. ERR.]
• A module which the QCPU cannot recognise has
been installed.
• There was no response form the intelligent func-
tion module/special function module.
2125
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• At power ON/ At reset
*4 The function version is A.
Corrective Action
• Remove the module mounted on the 37th slot or
later slot.
• Remove the module mounted on the slot whose
number is greater than the number of slots spec-
ified at [Slots] in [Standard setting] of the base
setting.
• Remove the module mounted on the slot whose
number of I/O points exceeds 2048 points.
• Replace the module with the one whose number
of occupied points does not exceed 2048 points.
• Remove the module mounted on the 25th slot or
later slot. (The 17th slot or later slot for the
Q00J.)
• Remove the module mounted on the slot whose
number is greater than the number of slots spec-
ified at [Slots] in [Standard setting] of the base
setting.
• Remove the module mounted on the slot whose
number of I/O points exceeds 1024 points. (256
points for the Q00J.)
• Replace the module with the one whose number
of occupied points does not exceed 1024 points.
(256 points for the Q00J.)
Remove 5 or more extension base units. (3 bases
for Q00J)
• Install a usable module.
• The intelligent function module/special function
module is experiencing a hardware fault. (Con-
tact your local Mitsubishi representative.)
CHAPTER12 TROUBLESHOOTING
LED Status Corresponding
CPU Status CPU
Q02U
RUN:
Q00J/Q00/Q01
Off
ERR.:
Flicker
CPU Status:
Stop
Q00J/Q00/Q01
QCPU
12 - 86
12
*4