All RolloTron devices have integrated obstacle detection and motor monitoring. Obstacles are detected by the devices by means of belt monitoring. The belt runs past a small deflection roller in the devices and turns it. There is a magnet in this roller, which is detected by a sensor. If the roller does not rotate for any reason, the motor stops.
For this reason, RolloTron devices CANNOT be operated without a belt.
The motor is monitored electronically. If the RolloTron is under extreme load, e.g., due to a blocked shutter, the electronics detect this condition and switch off the motor. In this case, check whether the roller shutter moves smoothly and remove any blockages if necessary.
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