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Operating the
fl
ow switch:
The
fl
ow switch cannot be adjusted or switched,
it is fully automatic. There are only 3 LEDs which
indicate its operating status.
The following operating statuses are indica-
ted:
Green and yellow are lit:
The pump is in operation and starts up immedia-
tely; a consumer for drawing o
ff
transport
fl
uid is
open.
Green and red are lit:
1. The pump is building up pressure (e.g. a
water tap is closed) and then switches o
ff
au-
tomatically.
2. The pump is running dry without transport
fl
uid. The
fl
ow switch will make 3 attempts to
eliminate the dry running before the dry run-
ning guard
fi
nally trips.
Green is lit, red is
fl
ashing:
The dry running guard has tripped; it is no longer
possible to draw in the transport
fl
uid. Use the
pump’s operating manual to
fi
nd the cause of the
fault (e.g. a leaking intake line) and rectify it. Then
restart the pump by pressing the Reset button on
the
fl
ow switch.
7. Replacing the power cable
Danger!
If the power cable for this equipment is damaged,
it must be replaced by the manufacturer or its
after-sales service or similarly trained personnel
to avoid danger.
8. Cleaning, maintenance and
ordering of spare parts
The equipment is almost completely maintenance
free. In order to ensure a long service life, howe-
ver, we recommend that you regularly check and
care for the product.
Danger!
The equipment must be disconnected from the
power supply (pull the power plug) prior to perfor-
ming any maintenance.
8.1 Servicing
•
If the equipment becomes clogged, connect
the discharge line to the water line and dis-
connect the suction hose. Open the water
line. Switch on the equipment several times
for approx. two seconds. This should resolve
the majority of clog-related problems.
•
There are no parts inside the equipment
which require additional maintenance.
8.2 Cleaning the coarse
fi
lter insert
•
Clean the coarse filter insert at regular inter-
vals, and replace it if necessary.
•
Remove the coarse filter screw and coarse
filter together with the non-return valve.
•
Do not use abrasive cleaning agents or petrol
to clean the coarse filter and the non-return
valve.
•
Clean the coarse filter and the non-return val-
ve by tapping them on a flat surface. In cases
of stubborn dirt, first clean with soapy water,
then rinse with clear water and air-dry.
•
Assemble in reverse order.
8.3 Ordering replacement parts:
Please quote the following data when ordering
replacement parts:
•
Type of machine
•
Article number of the machine
•
Identification number of the machine
•
Replacement part number of the part required
For our latest prices and information please go to
www.isc-gmbh.info
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