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In the use of WFB self-controlled seal-free self-priming pump may encounter the pump can not start the case, then to encounter such a situation, we know where the reason is? And what about The following is about the WFB-type self-controlled self-priming pump pump can not start the reason and solution introduction. WFB-type self-controlled seal-free self-priming pump pump can not start the cause and solution First, the reasons 1. a sensor bad contact; 2. sensor, the lower limit or upside down installation upside down; 3. Motor or fuse has been damaged; No liquid pool, the sensor does not work. Second, the solution 1. Recovery sensor good contact; 2. The correct installation of sensors; 3. Repair motor or fuse; 4. Check the pool liquid situation. Extended reading: China Construction Water Exhibition water pump manufacturers rankings ptc exhibition motor top ten brands pump valve pipe fittings Show Information Industry Internet (Xiamen) Technology Co., Ltd. Asia Pump Network Editor: He Duanhui (QQ / WeChat:) http: // mj .liuti.cn / (Service Hotline:)