If the machine is showing “Unable Connecting to Mainboard”, the machine’s mainboard may be faulty.
In this case, the mainboard may need to be replaced. Please contact your local distributor or the sales representative responsible for your order to obtain the replacement part.
Mainboard Replacement
Please follow the mainboard replacement instructions to replace the part.
Important: Before disconnecting or removing any cables, take clear photos of all cable connections and their positions. This will help prevent incorrect wiring when installing the new mainboard.