Quote Originally Posted by thebert View Post
Okay, I don't know how to fix your other problems. but the heat bed error could be from having the onboard setting to YES for heated bed even though there is no heated bed.
The setting is kinda buried. On the LCD go to "Info and Settings" -> "General Settings" -> "Heated Bed = NO"
I had the main board investigated by an expert and he confirmed to me that the 16mhz crystal circuit stopped working for the processor, he bypassed the circuit with another 16mhz and it worked again....now ...why did the crystal circuit stop! mystery!