1. When the machine is running, it outputs abnormal signals from time to time. There may be a problem with the connection line of the safety light curtain, the plug is loose, etc., check whether the wire is in good condition, and tighten the screws.
2. The internal circuit of the safety light curtain is damaged, causing direct non-glazing. If the broken safety light curtain is invisible, it should be replaced in time.
3. The position of the safety light curtain has been moved or bumped, resulting in failure to glaze. It is necessary to install the transmitter and receiver in the correct position, unify the horizontal position, and then perform the light curtain alignment.
4. The lights flicker abnormally. The safety light curtain may be affected by electromagnetic interference generated by the external surroundings, such as inverters. It is best to choose a safety light curtain with shielded wires.
5. There is a problem with the operation of the safety light curtain when the lights are turned on. Light interference from external lights will also affect the light curtain's work. You can better use weaker lights, or use high-quality light curtains with strong anti-interference.
Grating manufacturer’s suggestion: When using safety light curtains, regular inspection and maintenance work is required. Before turning on the machine, check whether the light curtain indicator is normal and whether there is any problem with the safety light curtain beam. For the safety light curtain that has problems, within the normal warranty range, you can choose to return to the factory for repair. If it cannot be repaired because of a long time of use, you must replace it with a new one in time. For machine protection, replace it with a new one in time The light curtain is important!
For daily maintenance, you should:
①Clean the safety light curtain regularly. The working principle of the safety light curtain is realized through the emission and reception of infrared rays. In the dusty plant, the safety light curtain is often wiped to avoid dust interference with the light.
②For the harsh environment with a lot of oil and water, we should try to avoid the safety light curtain from contacting oil and water, and corrosive liquid pollution to the safety light curtain.
③Perform regular inspections, the product will be broken after a long time, and the safety light curtain is no exception. Regular maintenance during use, faults and problems are found in time, and if the light curtain is replaced, it should be replaced in time.
When dealing with a simple fault problem, first confirm that the safety light curtain is wired correctly and can be energized normally, confirm that the connection line is intact, and the interface is not loose or falling off, check whether the surrounding interference source has an impact on the safety light curtain, and solve it accordingly. Measures. After various inspections, the light curtain still cannot be used normally. Dongguan Keli safety light curtain engineers suggest to contact the light curtain manufacturer.
