Omron sphygmomanometer low voltage light is on.

The low voltage line is out of order. Omron is a Japanese manufacturer of automation control and electronic equipment, headquartered in Tokyo. Omron has mastered the world's leading sensing and control technology, and its products involve industrial automation control, electronic components, automotive electronics, social systems, medical care equipment and other fields. The low-voltage light of Omron low-voltage meter is on because the low-voltage line is faulty, and the warning light will be on, so you can go to the repair shop for repair.