Common faults and elimination of submersible sewage pump
Author：tnbf Add Time：2018-01-30 17:16:41
Common faults and elimination of submersible pumps
Failure phenomenon
Cause analysis
Elimination method
No water after starting
(1) the impellers are stuck
(2) low power supply voltage
(3) power disconnection or phase breaking
(4) fracture of cable
(5) plug damage
(6) the pressure drop of the cable is too large
(7) damage of stator winding; serious imbalance of resistance; one phase or two phase circuit breaker; zero insulation resistance to zero
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