Chapter 10 Troubleshooting; Checking With Leds - Mitsubishi Electric MELSEC iQ-F Series User Manual

10
TROUBLESHOOTING
This section contains an explanation of errors that may occur during communication between FX5-ENET/IP and other
devices, and troubleshooting for such errors.
10.1

Checking with LEDs

This section describes troubleshooting using the LEDs.
The error status can be determined by the status of the RUN LED, ERROR LED, and MS LED.
RUN LED ERROR LED
Off On, flashing
On Flashing
On On
*1 When multiple errors occur, the error status is displayed in the order of major, moderate, and minor.
When the RUN LED turns off
When the RUN LED turns off after the FX5-ENET/IP is powered on, check the following.
Check item
Is the FX5-ENET/IP mounted correctly?
If the above actions do not solve the problem, perform the hardware test to check for FX5-ENET/IP failure. (Page 119
Hardware Test)
When the ERROR LED turns on or is flashing
When the ERROR LED turns on or is flashing, check the following.
Check item
Does any error occur in the module diagnostics?
When the MS LED is flashing in green
When the MS LED is flashing in green, check the following.
Check item
Have the parameters been set by EtherNet/IP Configuration Tool for FX5-
ENET/IP?
Have the parameters been written normally by EtherNet/IP Configuration Tool
for FX5-ENET/IP?
When the MS LED turns on in red or is flashing in red
When the MS LED turns on in red or is flashing in red, check the following.
Check item
Does any error occur in the module diagnostics?
*1
MS LED Error status
On in red Major error
On in red Moderate error
Flashing in red Minor error
Description
An error such as hardware failure or memory failure. The module stops
operating.
An error caused by an abnormal parameter affecting the module operation. The
module stops operating.
An error caused by improper or inconsistent configuration. The module
continues operating.
Action
Securely mount the FX5-ENET/IP on the CPU module.
Action
Take the actions displayed in the module diagnostics. (Page 109 Module
diagnostics)
Action
Set the parameters with EtherNet/IP Configuration Tool for FX5-ENET/IP if
they have not been set..
• After writing the parameters, check the message displayed in the "Message
window area".
• Re-write the parameters.
Action
Take the actions displayed in the module diagnostics. (Page 109 Module
diagnostics)
10 TROUBLESHOOTING
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10.1 Checking with LEDs
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