Truper CPB-90 Manual página 9

Troubleshooting
Problem Cause
Pump does not work. • No power.
• Reverse wiring (pump-power supply).
• Overheating. Water temperature is too high.
• Motor overheating. Clogged ventilation slots.
• Motor protection switch activated.
• Defective motor.
The flow rate is low. • Water shortage.
Not enough pressure. • Suction line leaks.
• Pump exceeds suction level.
• Dirty or blocked filter.
• Check valve blocked.
• Leakage between the motor and pump, faulty
pump shaft seal.
• Pump dirty or blocked.
• Air in the pump or suction pipe.
• Fault mode is activated.
• Change in water (sand) conditions.
• Buried suction line.
Cannot turn off the • Very high shear pressure.
pump. • Suction side not sealed.
Pump turns on and off • Water leakage in the pressure line.
repeatedly.
If problems persist despite performing the recommended corrective actions,
contact a
Solution
• Check the cable, plug and fuse.
• Correct wiring.
• Avoid the cause of heating, wait for the water
to cool down.
• Clean and remove any obstructions from the
ventilation slots.
• Wait for the device to cool down. If the
problem persists, contact a
Authorized Service Center.
• Go to a
Service Center.
• Make sure there is enough water supply.
• Seal the suction line, repair leaks and tighten
all connections.
• Place the pump no more than 26 ft above the
level of the water container.
• Clean or replace the filter.
• Clean or replace the valve.
• Go to a
Service Center.
• Flush the pump with clean water and remove
any obstructions.
• Fill the pump receptacle with water.
For suction lines with check valve, fill the suction
line with water.
• Verify that the pump pressure is at least 0.8
bar higher than the controller start pressure.
• Check the container and water quality.
• Shorten or clamp the suction line. Use a filter
screen with check valve.
• Go to a
Service Center.
• Seal the pressure line, repair leaks, and tighten
all connections.
Authorized Service Center.
Authorized
Authorized
Authorized
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ENGLISH