PW Series

Q1.Pump does not turn on.

Cause Remedy
Circuit breaker is not connected. Connect it.
Pump not plug in. Plug in pump.
Broken cable. Replace it.
No power supply. Turn on the power souce.
Defective motor. Repair or replace it.
Impeller colgged. Clean it and make sure it turns freely after cleaning.

Remark: before operation, turn off power switch first.

Q2.Pump stop suddenly or slow down.

Cause Remedy
Impeller is clogged. Clean it.
Circuit breaker trip. Reconnect circuit breaker.
Motor failure. Repair or replace it.

Remark: before operation, turn off power switch first.

Q3.Pump runs normally, but does not deliver rated capacity.

Cause Remedy
Water level too low. Stop the pump and unplug.
Impeller clogged. Clean or replace it.
Discharge pipe runs too long. Correct it in reference to rating table.
Strainer blocked. Clean it.

Remark: before operation, turn off power switch first.

Q4.Can PW series use abrasive or impurity liquid?

Remedy
PW100A,PW250A,PW400A series are only suitable for clean and none abrasive water, PW100AR is for fish breading which can pump sea water.

Q5.Will PW series be damaged when the pump is operating without liquid?

Remedy
PW Series use water as the cooling system, therefore when pump is running without water will cause motor burnt, and damage the shaft.
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