We may have found other answers which could help you.
Click here for Door Top HingeVelux KEM 140 skylight elec. opener only workd intermittent?
Identification of Rollexa Garage Rolle- door Motor?
How can I fix my kacher window vac?
How can I mend the broken cord on my velux skylight?
Hinge creaks on compositie exterior door?
window handle?