What should I do if the intercom cannot be turned on normally?

Please use the lisheng original power supply to check whether the battery/power cord of your machine is not installed correctly. If you still cannot turn on it normally after reinstallation, it is recommended that you contact the local authorized maintenance station or return to the factory for maintenance; When you can't turn on it normally, it is recommended that you contact the local authorized maintenance station or return to the factory for maintenance, thank you!