No blue LED on Flight controller

Rashedul

New member
I just finished soldering my flight controller and it was find red and blue led was on but today i went to flash the flight controller and then blue light went off. Is that a problem?
 

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CarolineTyler

Legendary member
I just finished soldering my flight controller and it was find red and blue led was on but today i went to flash the flight controller and then blue light went off. Is that a problem?
What is the make/model of the flight controller? Have you checked the documentation to determine the meaning of the various LEDs?