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EKLBJ-series Domestic water pumps troubleshooting

※ If troubleshooting or maintenance is needed, please contact professional technician or plumber.
※ Please make sure the power is turn off before you start repair or dismantle the pump.

Unusual phenomenon  Malfunction Routine/Cause  Solutions
The pump can’t start
  1.  Power is not turn on or the cable is not plug in.
  2. Connects to wrong voltage.
  3. The shaft is stuck due to dust inside the pump.
  4. Thermal protector is broken.
  5. Capacitor is burned up.
  6. Motor wiring is burned up.
  1. Re-connects the power again.
  2. Test  and make sure it’s the rightvoltage. 
  3. Rotates the shaft from the backof motor.
  4. Replaces it
  5. Replaces it. Makes sure there’s no voltage drops on the site.
  6. Replaces it.
Motor is running, but capacity is small
  1. Impeller is damaged.
  2. Air is inside the pump.
  3. Actual performance can’t reach customer requirement.
  4. Pipeline or valve leakages.
  1. Changes impeller
  2. Opens drain plug anddischarges the air.
  3. Changes to a bigger horsepower pump.
  4. Checks for leakage in the pipeline or valve.
Motor is running, but there is no water (used for underground water)
  1. Suction lift requirement is too high.
  2. Foot valve is leaking or it didn’tsubmerge under water level.
  3. User didn’t fill water into the pump.
  4. Suction pipeline is leaking or stuck by something else.
  1. Changes a new pump with better suction lift performance.
  2. Replaces or adjusts foot valve and the depth.
  3. Fills water into the pump.
  4. Changes pipeline and cleans obstacle.
Motor casing is overheated
  1. Voltage is not normal
  2. 24hrs continuous operation
  1. Improves local site power source.
  2. Stops the pump, and try to avoid continuous operation.
Motor is producing loud noise
  1. Bearing is broken
  2. Obstacle inside the pump
  1. Replaces bearing
  2. Dismantles and cleans it  
After it starts for a while, it stops immediately
  1. Abnormal voltage.
  2. Impeller is stuck with obstacle.
  3. Motor protector is off.
  1.  Checks voltage and uses right voltage.
  2. Dismantles pump and cleans impeller.
  3. After find out where the problem is, restart the pump.
※ EKLBJ and SQD series can be used for underground water. Suction lift up to 9m.

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