Cause Determination Methods For Each Trouble - Mitsubishi Electric Q80BD-J71GP21-SX User Manual

14
TROUBLESHOOTING

14.1 Cause Determination Methods for Each Trouble

When a trouble occurs, refer to the table below for methods to determine the cause.
No.
The CC-Link IE Controller Network board did not normally operate at
start-up.
1
When executing a user program, system down (blue screen) or system
reset occurred on the operating system.
Although the CC-Link IE Controller Network board, control station, and
2
normal stations were connected, the data link failed.
An error occurred during data link.
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 access was
3
made using communication function in the user program.
3) Communications are occasionally disabled while the user program
is executed.
4 The external power supply function did not correctly operate.
5 Action for Driver WDT error
6 The software is not normally installed.
7 The software is not normally uninstalled.
The driver is not normally installed.
8 A " ! " mark is displayed next to the icon of the driver on the Device
Manager screen.
Load of the PC CPU is heavy.
9
• The application of high CPU utilization is in operation.
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- 2 14.1 Cause Determination Methods for Each Trouble
Trouble description Determination method/Action
Refer to Section 14.3.
Refer to the flowchart in Section 14.5.
Refer to the flowchart in Section 14.6.
Refer to Section 14.7.
Refer to Section 14.8.
Refer to Section 14.2.1.
Refer to Section 14.2.2.
Refer to Section 14.3.3.
1) Start "Windows Task Manager",
®
Windows standard function, and select
the application of high CPU utilization on
the <<Performance>> or <<Processes>>.
2) Reduce the operation frequency
(performance) of the application of high
CPU utilization.
3) When interrupts from the CC-Link IE
Controller Network board are frequent,
reduce the frequency.
For example, set a longer event
occurrence interval using the event
function.