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Heated Bed not working and LED flashes faintly

Posted by Vashikovich 
Heated Bed not working and LED flashes faintly
June 22, 2016 09:58PM
Hi All,

I'm having a printer with RAMPS and equipped with a heated bed.
I'm having trouble with turning on the bed. When I turned it on, the LED for the respective heater only blinks faintly. I am sure that all the electronics are fine because when I changed the bed into a fan, it worked; when I was connecting the bed but setting it as a fan in the firmware, it also warmed. It only troubles when setting it as a bed. I'm thinking that this is a firmware problem. I use Marlin btw, and i didn't change anything regarding the bed settings.
Did i miss something?

Thank you.
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