: If the system detects a fault in the encoder or electronics, it will automatically switch to "hold-to-run" for safety.
Disconnect all electrical supply before handling wiring.
Connect the emergency hand chain or the quick-release cable.
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. crawford cdm9 950 installation manual
Rated IP 55 for the operator, with a temperature range of -20 °C to +55 °C .
Only trained technicians should install this drive system.
System variants include:
Align the drive unit carefully before tightening all screws to prevent undue wear on the 35 mm hex shaft. 3. Setting Up the ECS 950 Control Box The ECS 950 control box
Download the full CDM9/ECS9xx installation manual to view detailed wiring diagrams and mechanical drawings. Troubleshooting Crawford ECS930A + CDM9 Automation Drive
The CDM9 950 is a specialized system. Below is a high-level overview of the typical process. : If the system detects a fault in
If equipped with a emergency hand chain, ensure the chain hangs freely without tangling in moving parts.
Use the manual controls to jog the door and check the direction of rotation. Automatic test: Run a full open and close cycle.