The AMS main board is the center circuit board of the AMS. It provides a series of connectors through which the various functional components are connected by cables.
Abnormal voltage, components abnormally hot or burnt out, the communication of a module is abnormal, broken connectors, unrecoverable FW upgrade failed.
H2.0 & H1.5 allen key
Turn the power OFF to the printer and disconnect the connection of the AMS with the printer.
Open the AMS cover, press the button on the filaments hub and pull out the PTFE tube.
Remove 2 screws.
Flip the middle frame upward, disconnect the bambu bus cable and the power cable, and remove the middle frame module.
Disconnect all the cables from the connectors on the main board. Make some marks if needed or take pictures of the connections.
Remove 2 screws, unlock the main board from 4 buckles and then remove the main board.
Install the main board to the middle frame, prefix with the 4 buckles, and then lock in 2 screws.
Connect 11 cables, according to the marks or pictures taken before disconnected.
|NO.||Connect Object||N0.||Connect Object||NO.||Connect Object|
|The first stage feeder 1||
|Haul cable to filaments hub||
|The first stage feeder 3|
|RFID board 1||
|Power cable to power board||
|RFID board 2|
|The first stage feeder 2||
|Bambu bus cable to power board||
|The first stage feeder 4|
|Speed measurement cable to filaments hub||
|Motor cable to filaments hub||
Pleace the middle frame into the AMS shell, connect the bambu bus cable and the power cable.
Install the middle frame in place, lock in 2 screws.
Check the tube bracket, and insert the PTFE tube. Try to pull it out to make sure that the tube is well connected.
1. Connect the AMS to printer and power on, confirm that the AMS menu is on.
2. Check the SN and firmware, the FW and SN should be showed after entry, update the FW if new FW found.
3. Load filaments to the 4 slots, and confirm that every slot works fine. If you load Bambu Lab official filaments, the filaments' information will be recognized.
If your AMS is not like this, please check the connections. If it still malfunctions, contact the Bambu Lab service team for further assistance.