Causes and troubleshooting of insufficient pumpflow:

1. Reason: The pipeline and the pump runner impeller arepartially blocked, the scale is accumulated, and the valve opening isinsufficient.

★ Remedy: Remove the blockage and re-adjust the valve opening.

2. Reason: The voltage is low.

★Remedy: Voltage regulation.

3. Reason: The impeller wears.

★Remedy: Replace the impeller.

Causes and troubleshooting of Pump power toolarge:

1. Reason: Exceeding the rated flow rate.

★Remedy: Adjust the flow outlet valve.

2. Reason: The suction stroke is too high.

★Remedy: Reduce.

3. Reason: The water pump bearing is worn.

★ Remedy: Replace the bearing.

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