The problem of the printer showing zero degrees on both the hotend and heated came from a communication failure from the motherboard to the hotend adapter board.
To address this issue, we kindly request that you perform the following steps while powered off
1.Check the connection:
Please inspect the connections between the nozzle adapter board and the hotend sideboard. Ensure that the connection wires are securely plugged in and not loose or disconnected.
2.Reconnect the wires:
If you find any loose or disconnected wires, Or if it’s plugged in but it persists, carefully reconnect them to their respective ports. Ensure a proper and secure connection.