Remington I HC-5550 Trimmer Repair Power Connector

If your connector keeps disconnecting and the device or the power indicator goes off, there is a switch near the socket which may not be functioning. It is supposed to close when the connector is inserted, but it might be slightly deformed and need adjustment. (Should be applicable to similar models as well: 5356 5750 5150 5780 5355 5350) Video for complete disassembly of a similar model: