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Item 61540, 61541
Page 7
The Tool Experts
05 2022-1
Pump starts sev-
eral times in
quick succession
Leak in pipes or connections
Check pipes and connections, perform correct in-
stallation again to avoid leaks.
Suction channel not installed
with check valve
Install check valve on water inlet.
Too low air pressure in the pres-
sure tank
Check the pressure tank to see which air pressure
is recommended; Increase pressure according to
the recommended value.
Inner container of the pressure
tank sucked in
The inner container is sucked in when internal pres-
sure escapes from the pressure container over a
longer period as long as the pump is idle for a longer
period of time. In this case, let the water flow again
and slowly close the water valve. As a result, the
sucked-in part is opened after several operations,
and normal operation will soon be restored.
61541
Error
Cause
Solution
The pump does not
start.
No supply voltage
Check the power cable, plug, socket, and fuse.
Motor overheating, usually caused
by excessive fluid temperature
Find out and solve the reasons for the over-
heating.
Blockage by foreign bodies
Clean filter.
Switch triggered by residual current
circuit
Switch on breaker; if it is triggered again,
contact your dealer or service partner.
Motor failure
Contact your dealer or service partner.
Water pump does
not suck in water re-
gardless of opera-
tion
Blockage of the suction connection
Clear the blockage.
Air lock
Check the air tightness of the connections.
Pump clogged by foreign bodies
Clean filter.
Delivery head too
low
Delivery head too hight
Note maximum delivery head.
Pressure line diameter too small
Use pressure line with larger diameter.
Pressure line clogged
Clear the clog.
Suction connection blocked
Clean suction connection.
Pressure line kinked
Straighten pressure line.
Pressure line leaking
Seal pressure line, screw the threaded con-
nection tightly.
Pump makes noises
during operation.
Air sucked in by the pump.
Make sure that there is enough liquid; check
if the connections are airtight.
