Mitsubishi Q01CPU User Manual

12 - 4
12.2 Troubleshooting
12.2.1 Troubleshooting flowchart
12
TROUBLESHOOTING
Note3
Diagram 12.1 Troubleshooting flowchart
Note3
UNIT. VERIFY ERR. occurs.
(From previous page)
Unable to perform boot operation
from memory card.
CONTROL BUS ERR. occurs.
"Flowchart for when unable to perform boot
operation from memory card."
"Flowchart for when UNIT. VERIFY ERR.
occurs."
"Flowchart for when CONTROL BUS ERR.
occurs."
The CPU module does not start.
"Flowchart for when CPU module does not
start."
Unable to set time by SNTP.
"When time cannot be set by SNTP."
The OPERATION ERROR has
occurred at the execution of
S(P).SFCSCOMR and
S(P).SFCTCOMR instructions.
Comments cannot be read at the
execution of S(P).SFCSCOMR and
S(P).SFCTCOMR instructions.
"Flowchart for when comments cannot be
read at the execution of S(P).SFCSCOMR
and S(P).SFCTCOMR instructions."
"When Ethernet communication is not
available by a method other than direct
connection to GX Developer."
PARAMETER ERROR occurs at
power ON/reset.
"Flowchart for when PARAMETER ERROR
occurs at power ON/reset."
The CPU cannot communicate with
the GX Developer.
"Flowchart for when the CPU cannot
communicate with the GX Developer."
Ethernet communication with the
target device is not available.
"When Ethernet communication with the
target device is not available."
Ethernet communication is not available
by direct connection to GX Developer.
"When Ethernet communication is not available
by direct connection to GX Developer."
Ethernet communication with a CPU
module is slow or unstable.
"When Ethernet communication with a CPU
module is slow or unstable."
An error occurred during MC protocol
communication.
"When an error has occurred during MC
protocol communication."
Unable to read a program.
Unable to write a program.
Program is rewritten unintentionally.
"Flowchart for when program is rewritten
unintentionally."
I/O module not operating properly.
"Flowchart for when output load of output
module does not turn on."
"Flowchart for when unable to read a
program."
"Flowchart for when unable to write a
program."
"Flowchart for when OPERATION ERROR
occurs at the execution of S(P).SFCSCOMR
and S(P).SFCTCOMR instructions."
Ethernet communication is not available
by a method other than direct connection
to GX Developer.
Note12.3
Section 12.2.14
Section 12.2.15
Section 12.2.16
Section 12.2.17
Section 12.2.18
Section 12.2.19
Section 12.2.20
Section 12.2.21
Section 12.2.22
Section 12.2.23
Section 12.2.24
Section 12.2.25
Section 12.2.26
Section 12.2.27
Section 12.2.28
Section 12.2.29
Section 12.2.30
Section 12.2.31
Basic
Note12.3
The Basic model QCPU cannot use the memory card.
Basic
Note12.3

Mitsubishi Q01CPU Specifications

General

Brand	Mitsubishi
Model	Q01CPU
Category	Controller
Language	English