九一精品视频一区二区三区-午夜爱精品免费视频一区二区-婷婷5月色-四色永久网址在线观看|www.300bang.com

Welcome to Zhejiang YideK Co., Ltd. website!

    Contact Us

  • E-mail: yidek@126.com
  • Tel: 400-8262-889
  • Fax: 0577-85600699
  • Contact: Mr. Ji
Problem

Product common troubleshooting - product display

Datetime: 2018-07-28    Visit: 4479


Product does not display or display anomalies






answer:


1. The lack of phase of the external power supply will cause the product not to be displayed;


2. If the power supply voltage is low (85% of the rated voltage of the low voltage) or the communication line is seriously interfered, the product display will be abnormal (for example, the interface is not flashing normally);


3, power circuit open circuit (breaker phase failure, power line loose, internal power jumper loose, etc.)