Mitsubishi Melsec-L Series User Manual page 299

Error code
Error
(Hexa-
decimal)
Dedicated
instructions
7FF0
H
simultaneous
execution error
7FF1 Control data error
H
Communication
7FF2 protocol setting
H
error
7FF3
H
to System error
7FF4
H
Processing
cancelled due to
mode switching,
7FF5
H
transmission
sequence
initialization, etc.
Simultaneous
7FF7
H
access error
7FF8
H
System error
7FFF
H
B000 Errors detected by
H
to the CC-Link
BFFF module
H
Errors detected by
D000
H
the CC-Link IE
to
Field Network
DFFF
H
module
15 - 30
Description
• Executed dedicated instructions
simultaneously.
• Setting value is incorrect.
• Setting value is out of range.
• Instruction cannot be executed with the
current communication protocol.
• The OS of the C24 detected some
error.
• The processing in operation was
cancelled due to execution of the
following:
Mode switching, transmission sequence
initialization, receive data clear (by
buffer memory), user frame use
enable/disable designation, UINI
instruction, programmable controller
CPU information clear
• Multiple external devices accessed a
remote station on the same network at
the same time.
• The OS of the C24 detected some
error.
⎯
⎯
1 Take corrective actions in the following procedure.
1) Check whether the C24, power supply module, and CPU module are installed
correctly.
2) Check whether the operating environment of the C24 is within the general
specifications range of the CPU module.
3) Check whether the power supply capacity is sufficient or not.
4) Check whether the hardware of the C24 and CPU module are normal
according to the manuals of the corresponding modules.
If any module is faulty, please consult your local Mitsubishi service center or
representative.
5) If the problem cannot be solved through the above steps, please consult your
local Mitsubishi service center or representative, explaining a detailed
description of the problem.
Signal
Corrective action
name
• Do not use dedicated instructions
⎯
simultaneously.
• Correct the setting value in the control
⎯
data.
• Correct the setting value of the
⎯
communication protocol.
⎯
( 1)
• Do not execute these functions during
⎯
any other processing.
• Multiple external devices must not
⎯ access a remote station on the same
network at the same time.
⎯
( 1)
• Take corrective action, referring to the
⎯ CC-Link Master/Local Module User's
Manual.
• Take corrective actions, referring to the
⎯ user's manual of the CC-Link IE Field
Network.
15 TROUBLESHOOTING
Protocol
Non- Bi-
Pre-
proce- direc-
MC
defined
dural tional
15 - 30