The picture is as follows:
The machine drives the central axis of the roller blind to rotate until it reaches the roller blind switch. It automatically stops when it reaches the upper and lower limits set by the motor. . For the gear, it is to adjust the upper and lower limits, that is, to determine the highest position to which the rolling shutter door usually opens and the lowest position to which it drops. This is determined by adjusting the limiter on the rolling door machine. Extended information
1. The motor does not move or rotates slowly
The cause of this fault is generally circuit breakage, motor burnout, stop button not reset, limit switch action, large load, etc. cause.
Treatment method: Check the circuit and connect it; replace the burned motor; replace the button or press it several times; move the limit switch slider to separate it from the micro switch contact, and adjust the micro switch. Check the position of the switch; check whether there is any jamming in the mechanical part, and if so, remove the jamming and clear the obstacles.
2. Control failure
Location and cause of failure: relay (contactor) contacts are stuck, travel microswitch fails or contact plate is deformed, slider tightening screw Loose backing plate screws will cause the backing plate to shift, so that the slider or nut cannot move with the rotation of the screw rod, the limiter transmission gear is damaged, and the upper and lower buttons of the button are stuck.
Treatment method: Replace the relay (contactor); replace the micro switch or contact piece; tighten the slider screw and reset the backing plate; replace the limiter transmission gear; replace the button.