Fault

Cause

Remedy

1

Motor does not start when the level in the tank reaches the start level.

Supply failure

Check the power supply.

The fuse is blown. if the new fuse isblown, either the cable or the motor is faulty.

Replace the fuse. Measurethe cable and the motor. If the cable or the motor is defective, contact your vendor.

Impeller/grinder stuck; thermal switch tripped.

Free the impeller/grinder, and wait until the motor is cooled down and the thermal switch has reset.

2

Motor hums but does not operate.

Impeller/grinder stuck.

Free the impeller/grinder and check that it can rotate freely.

Motor or capacitor defective.

Contact your vendor or installer.

3

Motor runs continuously or at irregular intervals.

Water leak from inlet into tank,

Check for leaking appliances.

Water leaking back into tank from discharge pipe.

Check the non-return valve.

Pressure switch defective.

Replace the pressure switch unit.

4

Motor runs but does not evacuate water.

Pump or tank blocked.

Remove blockage.

Air lock in pump or vent hole in pump housing blocked.

Check operation of vent valve in the tank. Check that the carbon filter is not wet. Check that the vent hole in the pump housing is not blocked.

Discharge port or pipe blocked.

Remove blockage. Check the non-return valve.

5

The water pump evacuates slowly

Discharge pipe is too long or has an excessive number of bends.

Increase discharge pipe size. Change pipework to reduce number of bends. Change bends to swept bends

The pump housing is leak.

Replace the pump housing (service parts).

Grinder blocked.

Check and clean the hydraulics and grinder,

6

Ratting noise from the lifting station, but water is evacuated.

Foreign body hitting the impeller/grinder

Remove the foreign body.

7

Odour from the tank

Carbon filter contaminated.

Replace the carbon filter.

8

Water from shower or another appliance connected to the lower inlets drains off slowly. Back flow from the lifting station.

Non-return flap in inlet stuck, does not open or does not close sufficiently.

Check the non-return flap.

Grinder blocked

Check and clean the hydraulics and grinder,

Inlet pipe diameter is too small.

Use a pipe with a larger diameter.