Cause Determination Methods By Type Of Trouble - Mitsubishi Electric SW0DNC-MNETH-B User Manual

14 TROUBLESHOOTING

14.1 Cause Determination Methods by Type of Trouble

No.
MELSECNET/H board did not operate normally upon
startup.
1
When executing a user program, system down (blue
screen) or system reset occurred on the operating
system.
Data link is not achieved after the MELSECNET/H board
2 and control station as well as other normal stations were
connected.
An error occurred while conducting data link.
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1) An unexpected value is input to a specific link device
(B, W, X, Y).
2) Data cannot be written or read even though device
3
access has been performed using communication
functions with the user program.
3) Communication is occasionally disabled while
running the user program.
The external power supply function does not work
4
properly.
The personal computer has slowed down.
1) Operations with the mouse or keyboard are slow.
5
2) Operations of other applications are slow.
3) The CPU usage is high.
4) Operations by the sound function are unstable.
6 The software is not normally installed.
7 Uninstallation is not executed normally.
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When an error occurs, use the table below to find the section that describes an
appropriate method to determine the cause.
Error detail Cause determination method/Corrective action
Refer to Section 14.3.
Refer to the flowchart in Section 14.4.
Refer to the flowchart in Section 14.5.
Refer to Section 14.6.
Refer to Section 14.8.
Refer to Section 14.2.1.
Refer to Section 14.2.2.
MELSEC
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