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What should I do if the remote control on the main board of Hui Ke Educator can't be used?
Confirm that the remote control is correctly paired with the device, and check the battery of the remote control.

1. Confirm that the remote controller is correctly paired with the equipment: first, confirm whether the remote controller is paired with the educational machine. If the pairing is incorrect, the remote control will not be able to control the device. You need to refer to the instruction manual of the equipment or contact the manufacturer to confirm the correct pairing method.

2. Check the battery of the remote controller: make sure that the battery of the remote controller is installed correctly and has enough power. If the battery is low, the remote controller will not work normally and the battery needs to be replaced.