The motor is working but most likely it does not have enough grunt to get the top all the way up.... unless you have a hydraulic piston issue (very unlikely) then the motor it bad.
How does something immoral, when done privately, become moral when it is done collectively?
Furthermore, does legality establish morality?
Slavery was legal; apartheid was legal; Stalinist, Nazi, and Maoist purges were legal. Clearly, the fact of legality does not justify these crimes. Legality, alone, cannot be the talisman of morel people. - Walter E. Williams