LM5 troubleshooting procedure

[tuxtof]

is there a clear troubleshooting procedure for LM5

after a power outage my LogicMachine5 Lite Power is no more working

24V is OK on the input
green led on the left of the jumper is blinking when i put the power on 
but no more ethernet link and of course no way to ping them

any idea/procedure ?

[Daniel]

I would start from re-flashing the sd card.

[tuxtof]

ok i found the card, but seems locked how remove it ?

[Daniel]

Slide the metal bracket and it will open

[tuxtof]

thanks
since the beginning i trying to slide the sd-card

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OK sd card was guilty

my unit is back from hell

thanks