1) Is the LED on the board turned on and is there a temperature reading in MatterControl between 24C-35C? If not proceed to the next step.

2) Check that all connections are correctly seated in accordance with your respective control board.  

3) If everything is correctly seated but the problem persists, tilt the machine forward to gain access to the bottom of the bed wire cover.

Bed Cleaning

4) Using a Q-tip and isopropyl alcohol, wipe the area between the two solder joints. Allow it to dry and apply a small zip tie as detail in the next photo. 

5) If the prior solutions do not resolve bed functionally, please contact Technical Support at MatterHackers (tech@matterhackers.com).