GB
Malfunction
The motor is
running, but
the pump is not
discharging any
liquid.
The pump stops
after a short
time of operation
because the
thermal motor
protection feature
has triggered.
Intermittent
or irregular
operation.
9. 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
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
Possible cause
The intake openings are clogged.
The pressure line is clogged.
Air penetrates into the pump body.
Check valve (non-return valve), if present,
is blocked or defective.
The electrical supply does not correspond
to the information given on the type plate.
Pump or intake openings are blocked by
solids.
Liquid is too viscous.
Temperature of the liquid is too high.
Pump is running dry.
Pump wheel obstructed by solid matters.
Refer to section 3.3.
Refer to section 3.4.
Mains voltage out of tolerance.
Motor or pump wheel defective.
setting-up
or
storage,
Elimination
Remove possible congestion.
Remove possible congestion.
Start pump several times so that the entire
air will be driven out.
Eliminate blocking of the check valve
(nonreturn valve) or replace, if damaged.
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!).
Remove possible congestion.
Pump may not be suitable for this liquid. If
feasible, the liquid should be thinned.
Make sure that the temperature of the
liquid being pumped does not exceed the
max. admissible value.
Eliminate causes of dry-running.
Remove solids.
Refer to section 3.3.
Refer to section 3.4.
Make sure that mains voltage matches that
indicated on the type plate.
Please contact the customer service
department.
for a long life-cycle. 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 life-cycle 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.