FAQ- Pump Troubleshooting 2

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Below are some common causes of malfunctions and solutions.
If you are unable to resolve the problem, please contact us.

CAUSE	Countermeasure
Unprimed	To bait
The gate valve is closed or ajar	Open the gate valve
The rotation direction is reversed	Check the arrows and connect the wires correctly.
(1) The motor has a different number of poles.	(1) Check the nameplate and replace it with a genuine one.
(2) The voltage is low.	(2) Check the power supply.
A 60Hz pump is being operated in a 50Hz area.	Check the nameplate and replace it with a genuine one
The impeller is clogged with foreign matter	Remove the foreign object
There is something stuck in the piping	Remove the foreign object
Foreign matter is stuck in the foot valve or strainer.	Remove the foreign object
Inhaling air	Inspect and repair the suction pipe and shaft seal.
The end of the foot valve or suction pipe is not fully submerged in water.	Extend the suction pipe and submerge the end in water for at least 2D.
There is a leak in the discharge pipe	Inspect and repair
The impeller is corroded	Check the liquid quality and change the ingredients
The impeller is worn out	Replace the impeller
The liner ring is worn out	Replace the liner ring
Piping loss is high	Reconsider your plans
High suction lift or high discharge lift	Reconsider your plans
The liquid is hot or volatile.	Reconsider your plans
Cavitation is occurring	Consult an Expert

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