Check contacts are joined for the lid to function.
: The installation guide for the ECS 950 control unit involves unhooking the door, positioning it 1.5 m above the ground, and marking a position 1 m above the floor on the door frame for setup. crawford cdm9 950 installation manual top
Verify the ribbon cable to connection is plugged in perfectly. Replace encoder if cracked. Check contacts are joined for the lid to function