Karcher BP 4 Home & Garden eco!ogic - Manual (Page 25)

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Troubleshooting
ṇ
Caution
To avoid risks, all repairs and replacement of spare parts may only be carried out by the
authorised customer service personnel.
Prior to all work on the appliance, switch off the appliance and pull the power plug.
Fault Cause Remedy
Pump runs but does
not transport Air in the pump see Chapter "Preparation" Fig. A to D and
Chapter "Operation"
Suction pipe blocked Switch off the pump, pull the mains plug
and clean the intake area.
Pre-filter is dirty Switch off the pump, pull the mains plug,
allow the pump to cool down, clean intake
area, prevent dry running.
Remove the pre-filter and the check valve
and clean it under running water, flush dirt
residues from the bottom of the filler neck
through the filler hole if necessary.
Restart by switching the pump back on.
Suction hose or connec-
tion adapter not screwed
in correctly or complete-
ly. Check whether all seals have been in-
stalled and are seated correctly prior to as-
sembly.
Manually tighten the suction hose and the
connection adapter.
Pump does not run or
suddenly comes to a
standstill during oper-
ations Power supply interrupt-
ed Check fuses and electrical connections
Pre-filter is dirty Remove the pre-filter and the check valve
and clean it under running water, flush dirt
residues from the bottom of the filler neck
through the filler hole if necessary.
The appliance is in the
automatic mode.
Pressure in the system >
1.3 bar. The pump automatically switches back on
as soon as the pressure in the system falls
below 1.3 bar.
Even after switching it off an back on the
appliance does not start in the automatic
mode if there is an internal pressure of
more than 1.3 bar.
25 EN