Maintenance And Troubleshooting; Cu Cerinţele Tehnice Și Nu A Fost Deteriorat În Timpul Transportului. In Cazul Eventualelor Defecte A Se Avertiza Producătorul În Maxim - Pentair STA-RITE CM 90/22 Instructions De Service

EN
CHAPTER 6

MAINTENANCE AND TROUBLESHOOTING

DANGER - ELECTRIC SHOCK RISK
Make sure the machine is disconnected from electric power supply, before performing servicing operation.
•
Under normal conditions CM - CB
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
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
8
•
A decrease in pressure is a symptom
of wear
•
An increase in current absorption is a
sign of abnormal mechanical friction in
the pump and/or motor
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 2) Reset the direction of rotation.
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.
•
If the electropump is not going to be
used for long periods of time it should
be emptied completely, rinsed with
clean water and put in a dry place
REMEDY
1) Verify the presence of voltage.
2) Verify the cause and reset the switch. If the thermal circuit breaker
has tripped wait for the system to cool down.
3) Replace the condenser.
4) Verify the cause and unblock the electropump.
1) Make sure that:
the joints are airtight.
the level of liquid has not dropped below the minimum priming level.
the foot valve is airtight and is not blocked.
1) Check the voltage on the power supply cable leads.
2) Dismantle the electropump and clean it.
3) Change the type of electropump.