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Remarks
Purchase date
Manufacturing number
Product model
(1)Contact the electric power company or an electrical
repair shop.
(2)Check whether there is an open circuit in the
cabtyre cable or wiring.
(3)Inspect the pump and remove the debris.
(1)No proper power is supplied (i.e. power
outage).
(2)Open circuit in cabtyre cable or poor
connection.
(3)Foreign matter is wedged in the propeller,
causing the motor protector to trip.
(1)Remove the strainer stand, remove the debris, and
spin the impeller by hand.
(2)Provide the rated voltage or use an extension
cable that meets the specifications.
(3)Check the nameplate and replace the pump.
(4)Remove the debris from the strainer stand.
(5)Repair the motor or replace it with a new one.
(6)Place a concrete block under the pump to prevent
the pump from drawing in excess mud.
(1)Foreign matter is wedged in the impeller or
the pump casing is filled with mud.
(2)The voltage is too low.
(3)A 50Hz pump is used at 60Hz.
(4)The pump has been operated for a long
time with its strainer stand clogged.
(5)The motor is faulty.
(6)The pump is drawing in too much mud.
(1)Secure the pipe support.
(2)Replace the motor bearings.
(1)The pipe support is loose.
(2)Motor bearings are damaged.
(1)Replace the impeller.
(2)Minimize the bends of the hose, and if the pump is
used in a dusty area, place it inside a mesh basket
during operation.
(3)Remove the debris from the strainer stand.Place a
concrete block under the pump to prevent the
pump from drawing in excess mud.
(4)Change the power connection.
(1)The impeller is worn.
(2)The hose is clogged or kinked at its
midspan.
(3)The strainer stand is clogged or is buried.
(4)The motor rotates in reverse.
Pump fails to start.
Pump starts but stops
immediately, causing the
motor protector to trip.
The pumping volume is low.
The pump generates
vibration or noise.
Problem
Possible cause
Countermeasure
