TQC Series

Q1.Pump not start.

Cause Remedy
No power. Connect to power.
Voltage too high/too low. Check if supply voltage is within ± 10%
Inlet pressure too low. Check the water source at the water inlet.
Insufficient water supply. Check the water source and inlet piping for blockage.
Pump block/stuck. Use screwdriver to turn the end of the motor axis in clockwise direction,to confirm rotation. Notify maintenance person to repair.
Incorrect installation,water source lower than pump inlet and discharge. Install again, the water source shall be higher than the pump for at least 0.5 m.

Remark: before operation, turn off power switch first.

Q2.Pump stop during operation.

Cause Remedy
Water temperature too high. When the water temperature lowered,the pump will start automatically.Or supply cold water to lower pump temperature.
Pump block/stuck. Use screwdriver to turn the end of the motor axis in clockwise direction,to confirm rotation.Notify maintenance person to repair.
Motor overload. Cut off power and re-supply power, if could not be started,notify maintenance for repair.
Insufficient water supply. Check the water source and inlet piping for blockage.

Remark: before operation, turn off power switch first.

Q3.Pump starts while water is not used.

Cause Remedy
Water leak. Check if the faucets are tightened,or there are leaks in the piping system.
Check valve failure. Clean or replace with a new valve.

Remark: before operation, turn off power switch first.

Q4.Electric shock.

Cause Remedy
Ineffective grounding. Reactivate grounding.

Remark: before operation, turn off power switch first.

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