Crawford Cdm9 950 Installation Manual Direct
Inspect safety edge cable and photocell alignment. Check encoder plug continuity. Failing motor brake or unbalanced springs.
: Mark a reference point 1 meter above the floor on the door track. Activate the installation switch ( ) on the control board. Setting Limits
Mark a "1 meter position" above the floor on the door track. Activate Setup: Set internal switch Alignment:
: If the system detects a fault in the encoder or electronics, it will automatically switch to "hold-to-run" for safety. crawford cdm9 950 installation manual
Plug the quick-connect system cable into the dedicated encoder/motor port on the control board. This cable carries both the motor power lines and the digital limit switch signals. Safety Devices Wiring
Connect the main power cables to the designated terminals in the control box. Always connect the earth (ground) wire first. Control Devices and Sensors
The manual advises a "dry run": power the controller without connecting the load. Verify the display illuminates and no error codes (e.g., "S.ERR" for sensor break) appear immediately. Inspect safety edge cable and photocell alignment
Connect external safety devices (such as safety edges, photocells, and emergency stop buttons) to the dedicated low-voltage safety terminals. Programming and Limit Adjustment
Use the Up/Down buttons in hold-to-run mode to align the door's bottom seal with your 1-meter mark. Force Profile:
The system tracks door cycles and time; the factory default for service indication is 20,000 cycles or 365 days . 4. Troubleshooting and Maintenance : Mark a reference point 1 meter above
Tighten all locking screws to prevent the cams from slipping. 🛠️ 5. Commissioning and Testing
Install the emergency hand chain or the quick-release cable.
The represents a highly robust, intelligent automation standard for industrial overhead sectional doors. Manufactured under the global industry leader ASSA ABLOY Entrance Systems, this combination balances single-phase efficiency with multi-layered programmatic safety features.
Adjust the drive unit position and tighten all screws before proceeding to electrical setup. Hurð ehf. 2. Initial Programming & Calibration (ECS 950)
Inspect the encoder cable connection at both the motor and control board.