The AC Board supplies alternating current (AC) to the heatbed and chamber temperature modules for heating. When a mismatch between the power supply voltage and the machine is detected, the machine will disable the operation of the heatbed and chamber temperature modules.
Users may adjust the order of the troubleshooting steps as needed.
Check the model label next to the power interface on the back of the printer to confirm the input voltage is 220V or 110V.
Refer to the Wiki (AC Board Replacement Guide for H2 Series) to replace the AC Board.
Please stop using the device immediately, or use a power adapter to convert the local power supply to the voltage required by the device before use.
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