Bambulab A2L combo 3d printer faulty

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Bambulab a2L combo 3d printer faulty
Only 600 hours on it
Printer is throwing a toolhead malfunction error
Toolhead board has been replaced but error persists
This evening i see the heatbed temperature is reading incorrectly (heats fine but when its cold its reading a higher temperature) also throwing memory card error occasionally
Searching online looks like it might possibly be the mainboard thats gone faulty as it supplies low voltage power to the toolhead and the board that controls the heating its also where the memory card connects
Theres no visible signs of damage all looks ok
You are buying this for parts or repair
Comes with standard pei sheet and biqu cryogrip plate
Also includes ams lite thats working perfectly
May split if interested
€120 for the ams lite €170 for the printer or €290 for both