¶ What it is
The AMS power board is a circuit board that receives power from the printer and supplies it to the AMS.
¶ When to use this guide
- If the AMS has no power even after the bambu bus cable 4pin/6pin is checked, and the power output from the AMS interface board is normal.
- If the AMS power board has burned out.
- If any of the connectors or components on the AMS board are broken.
¶ Tools and materials needed
- New AMS power board
- H2.0 & H1.5 Allen keys
¶ Safety warning and Machine state before starting operation
Prior to commencing with the process in this guide, please make sure the machine is switched off
¶ Operation guide
¶ Step 1 - (Disassembly) Removing the PTFE tube
Open the AMS cover, press the flat surround the PTFE tube outlet at the back of the AMS, and pull the PTFE tube from the back of the AMS.
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¶ Step 2 - Opening the AMS inner frame
Undo the 2 screws located at the rear as shown below, and then very gently pull the inner frame towards you from the back. You might need to press on the PTFE inlet flap to free the frame. Don't pull the inner frame all the way out as there are still cables attached to it.
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¶ Step 3 - Removing the inner frame module
Disconnect the Bambu bus cable and the power cable from the AMS power board. You can now take out the inner frame module
¶ Step 4 - Removing the AMS power board
Undo the 4 screws holding the AMS power board in place and then proceed to remove the power board.
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¶ Step 5 - (Assembly) Installing the AMS power board
Prepare a new AMS power board, and secure it to the inner side of the AMS shell with 4 screws with the same orientation as shown below.
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¶ Step 6 - Install the inner frame module
Place the inner frame module into the AMS shell, and connect the Bambu bus cable and the power cable to the power board.
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¶ Step 7 - Securing the inner frame module
Secure the inner frame module with 2 screws as shown below.
¶ Step 8 - Connecting the PTFE tube
Check the alignment of the tube bracket at the rear of the inner frame module, and push in the PTFE tube from the back of the AMS. Push the PTFE until fully secured all the way in
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¶ How to verify completion/success
Connect the power cord, connect the AMS to the printer and turn on the power and run the load filament procedure on the AMS menu through the machine display and if no errors occur, the replacement was successful.
Should you come across any issues, first retrace your steps and check all connections to try again. If problems persist, contact the service team for further assistance.