
600W Macerator Sewerage Pump
10
Troubleshooting
Problems
Causes
Possible Solutions
Pump is not powerful enough or
too slow to discharge waste.
Discharge pipes are too
long.
Diameter of the discharge
pipe is too small.
Partial blockage.
Recalibrate the pipes.
Activate the pump with the
manual override switch. If
the problem still persists, the
pump must be blocked;
check the pump.
Pump emits a humming noise
but does not discharge waste.
Pump is blocked
Check valve is installed in
the wrong position.
Check the pump.
Re-install the check valve in
the right position.
Pump starts running and
discharging on its own.
Check valve is defective.
There is a leak in the
flushing tank that causes
water to flow in to the
macerator pump and sets it
running intermittently.
Check the valve.
Repair the leak.
Pump runs continually.
Vertical discharge without
the check valve installed.
Check valve is defective.
Pressure switch is defective.
Install the check valve.
Check the valve.
Check the pressure switch.
Pump does not emit any
humming noise.
Electrical connection defect.
Pressure switch defect.
Motor defect.
Check the connection.
Press the manual override
switch several times. If the
macerator pump starts
running, check the electrical
connection of the pressure
switch and the pressure
switch line.
If pressing the manual
override switch has no
effect, check the motor.
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