1. The safety grating is not working and all indicator lights are not on.

Analysis: No power input; Or the grating data cable is not properly connected; Or the data cable is disconnected.

2. During use, the safety grating works intermittently, and the indicator light is intermittent, occasionally outputting abnormal signals.

Analysis: The connection line of the safety grating is loose and has poor contact; Or the transmitting receiver does not align the light in parallel.

3. The safety grating receiver's green light keeps flashing.

Analysis: The grating shielding wire is not properly connected and is affected by external electromagnetic signals (such as frequency converters, dimmer switches, etc.). Therefore, the grating shielding wire can be connected to the ground.

4. The conversion of the safety grating indicator light is normal, and the machine cannot operate.