Lose of power a20 pro

Hi I have a20 pro 1 month old losing power have cleaned inside and out but still struggling to cut 3mm ply at 160 speed and 90 power any ideas

CHECK THE WIRE GOING FROM THE MODULE TO THE CONTROL BOARD MINE DOES THE SAME THING ITS LIKE IT GOES FROM 3 DIODES TO 1 IF I NUDGE THE WIRE THEY COME BACK ON. YOU CAN TELL THE DIFFERENCE BY HOW BRIGHT IT GETS. i JUST HAVE TO FIND SOME WHERE TO GET THE WIRE HARNESS