ENGLISH
13
TROUBLESHOOTING
Fault
Causes
Action
The motor will not work.
1.
Power failure
2.
Blocked rotor
3.
Motor failure
1.
Check wires and connections
2.
Check the rotor for damage.
3.
Contact your dealer.
The motor is slow during
start-up
1.
Power failure
1.
Fix the power failure
No flow or low flow
1.
Low level in the suction tank
2.
Clogged bottom valve
3.
Clogged filter
4.
Excessive suction pressure
5.
Large losses in the hoses
6.
Clogged overflow valve
7.
Air entering the hose or pump
housing
8.
Constricted hose
9.
Low speed
10.
The suction hose is lying on
the bottom of the tank
1.
Fill the tank
2.
Clean the bottom valve
3.
Clean the filter
4.
Reduce the suction height
5.
Use shorter hoses or hoses
with a larger diameter
6.
Clean or replace the valve
7.
Check hoses and couplings
8.
Use a hose designed for the
pressure
9.
Check the voltage
10.
Check the dimensions of the
wires
11.
Lift up the suction hose
Increased noise from the
pump housing
1.
Air pockets
2.
The overflow valve is working
unevenly
3.
Air in the fuel
1.
Lower the suction pressure
2.
Continue pumping until the air
disappears
3.
Check the connections
The pump housing is
leaking
1.
Damaged seal
1.
Check and replace the seal
Subject to printing errors and design changes over which we have no control. In the event of problems,
please contact our service department.
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