Troubleshooting; Troubleshooting With The Leds; Checking The State Of The Module - Mitsubishi Electric MELSEC iQ-F FX5 User Manual

2.7

Troubleshooting

This section describes errors that may occur in the use of the FX5-4AD-ADP and those troubleshooting.

Troubleshooting with the LEDs

Check the state of the LED to narrow down the possible causes of the trouble. This step is the first diagnostics.
A state of the FX5-4AD-ADP can be checked with the PWR LED. The following table shows the correspondence of LED and
a state of the FX5-4AD-ADP.
Name
PWR LED

Checking the state of the module

Open the module diagnostics window of the GX Works3 to check the error codes (alarm codes) and error history of the FX5-
4AD-ADP.
[Diagnostics]  [Module Diagnostics (CPU Diagnostics)]
2 FX5-4AD-ADP
58
2.7 Troubleshooting
Description
Indicates the power supply status of the FX5-4AD-ADP.
On: The power supply is supplied.
Off: The power supply is not supplied.