Crawford Cdm9 950 Installation Manual

Check the data cable connecting the encoder to the control board. Ensure the plugs are fully clicked into place. Safety edge error

Stop when the bottom seal compresses slightly against the floor. Press the button once to save the bottom limit. Setting the Open Position Use the manual Up arrow button to raise the door.

Wire any external mushroom stop buttons or pass-door (wicket door) safety switches to the break-circuit terminals. Remove factory jumpers only when replacing them with active safety switches. 4. Programming and Limit Switch Setup crawford cdm9 950 installation manual

Plug the heavy-duty power cable from the CDM9 drive unit into the designated motor terminal block on the 950 control board.

Disconnect power and swap any two incoming phase wires (e.g., L1 and L2) to reverse the motor field direction. Force limits exceeded Check the data cable connecting the encoder to

: IP55 protection (plug is IP44); operating temperature range of -20°C to +55°C . Maintenance & Troubleshooting

Clean the photocell lenses and test the reversing sensitivity of the bottom safety edge. Press the button once to save the bottom limit

Check the safety edge or light grid connections.

If the system fails to operate during commissioning, the 950 control board will flash a distinct numerical error code on its LCD/LED window. Below are the most common installation-phase faults and their solutions: Error Code / Symptom Possible Cause Corrective Action Emergency Stop active

The Crawford CDM9 operator, often paired with the control unit, is a high-performance drive system for industrial sectional doors. Installation requires precise mechanical mounting and electrical calibration to ensure the safety features and operational limits function correctly. Core Installation Steps The following workflow is critical for a standard setup:

Connect the optical or resistive (8.2k Ohm) safety edge to the designated safety inputs.