The sensor signal of the grocery store elevator is abnormal.

The abnormal signal of the sensor of the grocery elevator is due to the internal circuit failure of the sensor. According to the relevant public information, the fault of the internal circuit of the sensor will lead to the abnormal signal of the general cargo elevator sensor, because the fault of the internal circuit of the sensor will lead to the abnormal output signal of the sensor, which will make the sensor of the general cargo elevator unable to identify correctly, thus leading to the abnormal signal.