Geeetech

All the pins look fine

i have the MK2A heat bed and it reads right at room temp it say the same thing his the extruder. i have that firmware installed still the same thing happening i will look at pin12 and pin13 on the mainchip one i get home if it is bridged or shorting out how would i fix it

hey i have the i3x my heat bed wont go past 70c should i turn on pidtemp useing M303 E-1 S60 C8 then M304 P1 I2 D3 ? and my lcd 2004 will not scroll how can i fix this?