Flotec SUB 3S Manual De Uso página 10

GB
Ch. 6 - MAINTENANCE AND TROUBLESHOOTING
In ordinary working conditions electropumps of the SUB 3S series do not need any maintenance.
It may be occasionally necessary to clean the filter or other hydraulic parts.
If the electropump is not going to be used for long periods of time (e.g. an entire season) it should be completely emptied,
rinsed with clean water and stored 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
CIRCUIT BREAKER TRIPS
If the problem cannot be eliminated after carrying out the above-described operations contact the closest service centre.
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DANGER
Make sure the machine is disconnected from electric power
Electric supply, before performing servicing oparationn.
shock risk
DANGER The electricity supply cable must be replaced by specialised
personnel; contact your reseller.
Electric
shock risk
POSSIBLE CAUSE
1) No power.
2) Motor protection tripped.
3) Defective condenser.
4) Shaft blocked.
1) The pump is sucking air.
2) The pump rotates in the wrong
direction
3) Suction grid blocked.
4) Check valve blocked.
1) The power supply does not conform
with the data on the nameplate.
2) A solid object is blocking the
impellers.
3) The liquid is too thick.
GB
REMEDY
1) Check the presence of voltage and if the plug is plugged
in properly.
2) Verify the cause and reset the switch. If the thermal circu-
it breaker has tripped wait for the system to cool
down.
3) Replace the condenser.
4) Verificare la causa e sbloccare l'elettropompa
1) Check:
a) that the joints are sealed
b) that the level of the liquid has not gone below the
minimum priming level
2) Reset the direction of rotation.
3) Clean the filter
4) Clean or replace valve.
1) Check the voltage on the power supply cable leads.
2) Take the electro-pump apart and clean it
3) Change the type of electropump.
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