Crawford Cdm9 950 Installation Manual Top !link!
Door must be perfectly balanced to avoid torque guard faults.
Because the disc is placed manually, radial alignment of the disc center to the spindle is critical: crawford cdm9 950 installation manual top
If the operator fails to start, verify the following according to the Troubleshooting Guide : Door must be perfectly balanced to avoid torque guard faults
For doors with impulse operation, briefly actuate the installation device; the door should move down, reverse against the floor or safety device, and then open fully to find its upper limit. Turn to OFF once the limits are learned. 3. Electrical & Troubleshooting briefly actuate the installation device
This usually indicates a fault with the torque guard, encoder, or a memory error in the control card.
This is a heavy door. It will be opened and closed frequently.