Pentair NOCCHI PGA Serie Manual De Uso Y Manutención página 10

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  • ESPAÑOL, página 19
Under normal conditions PGA, DELTA OIL and DIESEL LINE electropumps do not need any type of
maintenance. In order to avoid possible failures, it is advisable to periodically check the pressure
supplied and current absorption. A decrease in pressure is a symptom of wear. An increase in the
current absorption is a sign of abnormal mechanical friction in the electric pump.
If the electropump is not going to be used for long periods of time (e.g. an entire season) it should be
emptied completely, rinsed with clean water and put in a dry place.
PROBLEM
THE ELECTROPUMP DOES
NOT PUMP WATER THE
MOTOR DOES NOT RUN
THE MOTOR RUNS BUT THE
ELECTROPUMP DOES NOT
PUMP LIQUID
THE ELECTROPUMP STOPS
AFTER RUNNING FOR A
SHORT PERIOD OF TIME
BECAUSE ONE OF THE
THERMAL MOTOR PROTEC-
TION DEVICES TRIPS
DIESEL FUEL LEAKAGE
FROM THE DRAIN PIPE
If the problem has not been eliminated after carrying out the above operations contact the closest
service centre.
8
POSSIBLE CAUSE
1) No power.
2) Motor protection tripped.
3) Defective condenser.
4) Shaft or impeller blocked.
1) It is taking on air.
2) Suction height is excessive.
3) Filter or valve obstructed.
4) Wrong rotation direction.
1) Power supply does not conform to
data on plate.
2) A solid object is blocking the impeller.
3) The liquid is too thick.
1) Seal worn or broken.
REMEDY
1) Check if there is power and if the plug is
plugged in properly.
2) Wait until the motor cools down.
3) Replace the condenser.
4) Verify the cause and unblock the
electropump.
1) Make sure that the joints are airtight.
2) Check that the level of liquid has not
dropped below the foot valve.
3) Check that the foot valve is airtight and is
not blocked.
4) Reset the rotation direction.
1) Check the voltage on the power supply
conductor cables.
2) Dismantle the electropump and clean it.
3) Change electropump type.
1) Stop using the pump and disconnect the
electrical power supply. Call the technical
Assistence Centre.
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