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Mount the torque bar to the mechanical unit and attach the rubber damper to the console to absorb vibration.
Test the functionality of the emergency stop, safety edge, and photo-eyes.
Clean the door shaft thoroughly to remove any rust, burrs, or excess grease. crawford cdm9 950 installation manual
Regular maintenance is required to ensure the CDM9 950 system operates safely and reliably. All users and owners must read, understand, and obey the information and instructions in the manual. The manufacturer's guidelines specify a maintenance schedule that includes weekly, monthly, and yearly checks:
Connect sensors like the OSE (Optical Safety Edge) and any additional photocells to the maneuvering card. Mount the torque bar to the mechanical unit
The 950 control system is designed for flexibility and can be upgraded with a wide range of Access and Automation functions:
Standard installations require a 230V AC or 400V 3-phase connection, depending on the specific model variant. Plug-and-Play: Regular maintenance is required to ensure the CDM9
The CDM9 950 features a manual release mechanism (either a quick-release cord or a hand-chain system) for use during power outages.
IP55 (dust protected and resistant to water jets).
| Symptom / Error Code | Possible Cause | What to Do | | :--- | :--- | :--- | | on display; system only responds to "Open" button | Power failure or drive disengagement has occurred; the door needs to find its reference position. | Run the door to the fully open position. This action will clear the code. | | E04 on display; after a few operations, the door only goes up; must use hold‑to‑run to go down | A problem with the safety edge monitoring system; possibly a faulty connection or a missing jumper (e.g., on connector X3) for the photocell module. | Perform a full system reset by disconnecting power for 5 seconds. Check all connections on the photocell module and the manoeuvring card. Re‑install the operator according to the installation instructions. | | Door does not start at all | Drive unit is disengaged; power supply is off; emergency stop button is pressed. | Pull the red ball cord to re‑engage the drive. Check the circuit breakers. Verify the emergency stop button is released. | | Door moves, but stops and reverses on its own | Obstruction on the tracks; door is not properly balanced, triggering the torque guard. | Clear the tracks of any debris. Perform the door balancing test (see Section 10). If the door is unbalanced, contact Crawford for service. | | Door does not close fully; it stops before reaching the floor | Obstruction in the final 5cm of travel; the safety edge has been triggered. | Clear any obstacle. Check the condition of the pneumatic hose and the pressure switch. | | Yellow LED on control box is lit | The programmable service interval has been reached. | Perform the required maintenance as outlined in the service manual. Then use the d07 or d08 menu to reset the service counter. | | The motor does not stop at the open/closed positions | The limit switches may not be programmed or are faulty; the encoder may be damaged. | This may require a full position programming cycle. Check the limit switches and their wiring. If the encoder is broken, the door will only operate in hold‑to‑run up. |
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