Troubleshooting - Kärcher BPP 3000/42 Originalbetriebsanleitung

6.997-359.0 Pump connection
piece G1 (33.3 mm)
6.997-358.0 Connection kit Basic
G1 (33.3 mm)
6.997-340.0 Connection kit Pre-
mium G1(33.3 mm)
6.997-356.0 Swimmer switch
6.997-355.0 Dry run fuse
6.997-417.0 Pressure compen-
sating hose 3/4"
(19mm), 1m
Danger
To avoid risks, all repairs and replacement of spare parts may only be carried out by au-
thorized customer service personnel.
First pull out the plug from the mains before carrying out any tasks on the machine.
Fault
Pump runs but
does not trans-
port
Pump does not
run or suddenly
comes to a
standstill during
operations
18

Troubleshooting

Cause
Air in the pump
Air does not come out on the
pressure side
Power supply interrupted
Thermal protection switch in
the motor has switched off the
pump as it was overheated.
Suitable for 3/4" (19 mm) or 1" (25.4 mm) hoses.
With G1" (33.3 mm) threaded connection. Including
backflow valve, flat seal and hose clamp. If used for
garden pumps, install the flat seal.
To connect 1/2" (12.7 mm) water hoses to pumps
with G1 (33.3 mm) threaded connections.
To connect 3/4" (25.4mm) water hoses to pumps
with G1 (33.3 mm) threaded connections. For in-
creased water flow.
Switches the pump on and off automatically de-
pending on the water level in the water tank. With
10 m special connection cable.
If no more water flows through the pump, the dry
run fuse will protect the pump from damage and au-
tomatically turn it off. With G1" (33.3 mm) threaded
connection.
Connecting hose for the pressure compensation in
the domestic water supply system. To connect the
pump to rigid pipe line systems. Furthermore, the
internal storage volume in the hose prevents fre-
quent switching on and off of the pump.
Remedy
Refer to Chapter "Preparation" Figure
E
Open tap on pressure side
Check fuses and electrical connec-
tions
Pull out the mains plug, let the pump
cool down, clean the suction area,
prevent dry running
– 6
EN