10
Installation and User’s Guide
In the event of any problems with the use of the motor pump, refer to the table below. If it is not possible to remedy
the problem, contact one of the Sibrape resellers.
Problems/Causes /Solutions
Problem
Cause
Solution
Pump won’t
start
Motor does not receive electricity;
General electric switch off;
Burned fuses; incorrect electrical
connections;
Low current;
Check the circuit and correct; Turn on
the main switch; Replace the electric
fuses;
Correct the electrical connections;
Check the circuit and correct
Motor won’t
reach rated
speed
Low current;
Incorrect electric connection;
Check the circuit and correct;
Correct the electric connection;
Motor heating
Low tension;
Incorrect connection;
Check the circuit and correct;
Correct the connection;
Pump works
but won’t pump
Pump is not primed;
Closed valves;
Air intake in the suction pipe;
Incorrect direction of rotation;
Incorrect impeller rotation;
Prime the pump; Open the valves;
Eliminate the air intake;
Correct the motor rotation direction;
Correct the impeller rotation;
Insufficient
flow and
pressure
Partially closed records;
Pre-filter basket saturated;
Air in the pipeline;
Low speed motor;
Inverted direction of rotation;
Open the records;
Clean the basket;
Repair the pipe;
Check the connections and correct;
Correct the engine speed;
Excessive noise
or vibration
Pre-saturated filter basket;
Partially closed records;
Clogged pipes;
Clean the basket;
Open the records;
Clean the pipe;
