THE UNIT POWERS UP THE BRAKES ON FORWARD AND REVERSE MOTORS WORK THE MAIN DRIVE MOTOR DOES NOT TURN IT SPINS BY HAND BUT DOES NOT POWER UP WHEN SWITCH IS ACTIVATED ONE LIGHT ON FRONT PANEL DOES NOT WORK SHE DONT OVERHEAT AS I HAD IT TURNED ON ALL DAY LOOKING WHY MAIN DRIVE MOTOR DOES NOT SPIN WITH POWER IM. SELLING. AS. PARTS. OR. NOT. WORKING.