WFB series of non-sealed self-priming centrifugal pump troubleshooting

Fault Troubleshooting Cause Automatic control of the pump can not start 1, a sensor bad contact 2, the sensor installed on the lower end of the upside down 3, the motor or fuse has been damaged 4, the tank no liquid, the sensor does not function 1, restore the sensor good contact 2, The correct installation of the sensor 3, repair the motor or fuse 4, check the pool liquid pump can not automatically stop 1, a sensor has been damaged, resulting in malfunction 2, the particle in the liquid sensor stuck float, forcing it to malfunction 1, Damaged sensor 2, Flush the sensor float to make it flexible Automatic and manual can not be converted 1, a button is damaged 1, replace the damaged button Manual state The pump can not start 1, the manual button is damaged 2, the motor or the fuse has Damage 1, the replacement has been damaged Manual button 2, repair motor or fuse Electric air control valve part of the fault Trouble Cause Remedy 1, the connection pipe leak, the pump can not form a vacuum, no suction 2, the piston does not move 3, the piston action, but the piston The pump is not aspirated 1, the control valve and the pump connection is not tight or the use of a long time, loose corrosion, resulting Air leakage 2, the power is not available 3, the electric control valve coil damage or damage to electrical components 4, closed pad wear 5, closed pad and the piston stroke is too large 1, the connecting thread on the increase sealing tape so that airtight or replace Corroded connection pipe 2, check the electric control valve power cord and the motor power connection is good 3, replace the solenoid valve coil or a component on the circuit board 4, replace the closed pad 5, adjust the closed pad and the piston stroke

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