Crawford Cdm9 950 Installation Manual Jun 2026

The door will then move slowly by impulse operation to the floor and reverse to the fully open position to set the limit points.

If the operator fails, pull the manual release cord (marked with a red ball). After pushing or pulling the door to the desired position, ensure the automatic system is re-engaged by operating the door slightly until the mechanism clicks back into place.

The Crawford CDM9 950 features an electronic limit switch system (absolute encoder), meaning positions are set digitally via the control panel rather than mechanically at the motor. Step 1: Initializing the Controller crawford cdm9 950 installation manual

The CDM9 950 system incorporates several built‑in safety mechanisms to protect personnel and equipment:

Slide the required keyway into the shaft slot. If your door shaft diameter differs from the operator’s hollow output bore, slide the appropriate adapter sleeve onto the shaft. The door will then move slowly by impulse

Connect L1, L2, L3 to the main terminal blocks, along with Neutral (N) and Earth (PE). Check motor rotation; if the door moves down when pressing the "Up" button, swap any two phase wires (L1 and L2).

Press "Down." The door will move slowly to the floor by impulse, then automatically reverse to the fully open position to learn its limits. Safety Check: The Crawford CDM9 950 features an electronic limit

Drive the door down until the bottom weather seal compresses gently against the floor. Do not over-compress, as this causes unnecessary stress on the cables and gearbox. Save this position.