Mitsubishi Melsec-Q Series User Manual page 312

12.2.10 When the LIFE LED has turned on in red
Refer to the following flowchart when the LIFE LED of the Life detection power supply module has turned on in red at
power-on or during operation of the programmable controller.
Adjust the operating ambient
temperature within the 0 to 55
Power on the programmable controller
again.
12.2.11 When the LIFE LED is flickering in red
Refer to the following flowchart when the LIFE LED of the Life detection power supply module flickers in red at power-
on or during operation of the programmable controller.
The LIFE LED is flickering in red.
Power on the programmable controller again.
12 - 17
The LIFE LED turned on in red.
Is the operating
ambient temperature within
the 0 to 55 ?
NO
Is the LIFE LED on
in green or orange?
YES
Completed
Figure 12.10 When the LIFE LED turn on in red
Is the LIFE LED on
in green or orange?
YES
Completed
Figure 12.11 When the LIFE LED is flickering in red
YES
Stop the operation of the module for
heat dissipation.
.
NO
Replace the faulty module.
NO (Flickering in red)
Replace the faulty module.