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Troubleshooting the M7i Power System When the LEDs on All M7i Power Supplies Are Blinking or Off

 

Problem:

Description: If the LED is off on all power supply faceplates, either someone has switched off power to the router or the system temperature has exceeded the acceptable maximum. In the latter case, the Routing Engine shuts down all power supplies. There is no power to the router, so no LED is lit, including the alarm LEDs on the craft interface.

Solution

Excessive system temperature is almost always caused by excessive environmental temperature. Correct the environmental temperature before repowering the router.