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ページを印刷する10. Trouble shooting.
Operating problems.
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Valves has to be opened gradually after pump start.
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The pipes are too small in diameter for the flow m³/h.
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The suction is obstructed.
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Air inside pump-house or periodically sucked into the pump.
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Pump is not running the right way.
Valve has by mistake, been closed on the suction side.
The pump back pressure is too low.
The pump is missing 1 phase in the power line.
Voltage or Hz are incorrect for the pump.
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x
Water level in the well is too low (open tank)
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The impeller is clogged.
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Excessively high suction lift.
Seal not correct for the medie.
Pump has been running dry.
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Impeller is partially clogged. Pump vibrates.
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Wear ring is worn.
Voltage or Hz are incorrect for the pump.
Description of possible errors.