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MALFUNCTION
2. The motor is running,
1.
The pump housing is not filled with liquid.
but the pump is not
discharging any
2.
Air penetrates into the intake line.
liquid.
3.
Suction height and/or discharge height too
great.
3. The pump stops after
1.
The electrical supply does not correspond to
a short time of
the information given on the type plate.
operation because
the thermal motor
protection feature
2.
Pump or intake line are blocked by solids.
has triggered.
3.
Liquid is too viscous.
4.
Temperature of liquid or environment is too
high.
4. The pump does not
1.
Refer to section 2.2.
reach the desired
2.
Worn pump wheel.
pressure.
10. Warranty
The present device was manufactured and inspected according to the latest methods. The seller warrants for
faultless material and workmanship in accordance with the legal regulations of the country in which the device
was purchased. The warranty period begins with the day of the purchase and is subject to the provisions below:
Within the period of warranty, all defects which are to be attributable to defective materials or manufacturing will
be eliminated free of charge. Any complaints are to be reported immediately upon their detection.
The warranty claim becomes void in the case of interventions undertaken by the purchaser or by third parties.
Damage resulting from improper handling or operation, incorrect setting-up or storage, inappropriate connection
or installation or Acts of God or other external influences are excluded from warranty.
Parts being subject to wear and tear, such as the pump wheel (impeller) and mechanical shaft seals are excluded
from warranty.
All parts were manufactured using maximum care and high-quality materials and are designed for a long lifecycle.
It should be understood, however, that the wear and tear depends on the kind of use, the intensity of use and the
internals of maintenance. Complying with the installation and maintenance information contained in the present
operating instructions will therefore considerably contribute to a long lifecycle of these wearing parts.
In case of complaints, we reserve the option of repairing or replacing the defective parts or replace the entire
device. Replaced parts will pass into our property.
Claims for liquidated damages are excluded unless they are caused by wilful acts or negligence on the side of the
manufacturer.
The warranty does not provide for any claims beyond those referred to above. The warranty claim has to be
evidenced by the purchaser in the form of the submission of the sales receipt. The present warranty commitment
is valid in the country in which the device was purchased.
Please note:
1. Should your device fail to function properly, please verify first whether an operating error or another cause is
present which cannot be attributed to a defect of the device.
2. In case you have to take or send in your defective device for repair, please be sure to enclose the following
documents:
− Sales receipt (sales slip).
− A description of the occurring defect (a description as accurate as possible will expedite the repair work).
In case you have to take or send in your defective device for repair, please remove any attached parts which do
not belong to the original condition of the device. If any attached parts of this kind should be missing upon the
return of the device, we shall not be liable for them.
13
POSSIBLE CAUSE
6
ELIMINATION
1.
Fill the pump housing with liquid (please refer to
"Putting into operation" section).
2.
Check to make sure that:
a)
the connection points of the intake line are tight;
b)
the inlet opening of the intake line including the
check valve (non-return valve) are immersed
into the liquids being discharged;
c)
the check valve (non-return valve) with the filter
is tight and not jammed;
d)
no siphons (i.e. permanently liquid-filled loops),
kinks, counter-slopes or narrow spots are
present along the intake lines.
3.
Change the arrangement of the installation so
that the suction height and/or discharge height
will not exceed the max. value.
1.
Please use a device complying with GS
(German technical supervisory authority) to
check the voltage of the lines of the connection
cord (safety information to be observed!).
2.
Remove possible congestion.
3.
Pump may not be suitable for this liquid. If
feasible, the liquid should be thinned.
4.
Make sure that the temperature of the liquid
being pumped and the environment do not
exceed the max. admissible values.
1.
Refer to section 2.2.
2.
Please contact the customer service
department.
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