# Heating problems on Anet A8

• I've set the bed temperature to 60 °C, but it goes to 39 °C and stops heating up.
• I've set the hotend temperature to 190 °C, but it goes to 300 °C.

Then DEF both of them

• Hi, welcome to 3DPrinting.SE! This question could benefit from a little more information for people to answer it. E.g. is this a new printer, an old one that developed this issue, did an event take place, etc. What is DEF both of them? – 0scar Mar 23 at 22:21