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MALFUNCTION
1. The pump is not
1.
No current.
discharging any
liquid, the motor is
not running.
2.
Thermal motor protection feature has
triggered.
3.
The capacitor is defective.
4.
The motor shaft is jamming.
5.
Wrong setting of the pressure switch.
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.
5.
Pump is running dry.
4. The pump cuts in
1.
The membrane of the pressure tank is
and out too
damaged.
frequently.
2.
Insufficient pressure in the pressure tank.
3.
Air penetrates into the intake line.
4.
Check valve (non-return valve) is jammed or
not tight .
5. The pump does not
1.
Cut-out pressure set too low.
reach the desired
pressure.
2.
Air penetrates into the intake line.
6. The pump does not
1.
Cut out pressure set too high.
cut out.
2.
Air penetrates into the intake line.
12. 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), mechanical shaft seals, membranes and
pressure switch 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.
15
POSSIBLE CAUSE
7
ELIMINATION
1.
Please use a device complying with GS
(German technical supervisory authority) to
check for the presence of voltage (safety
information to be observed!). Please verify the
correct position of the plug.
2.
Separate the pump from the electrical mains,
allow the system to cool down, eliminate cause.
3.
Please contact the customer service
department.
4.
Check the cause, eliminate the reason for the
jamming of the pump.
5.
Please contact the customer service
department.
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.
5.
Eliminate causes of dry-running.
1.
Have the membrane or the entire pressure tank
replaced by qualified staff.
2.
Use the tank valve to increase the pressure
until it reaches a value of 1.5 bar. Before that,
please open a consumer in the pressure line
(e.g. a faucet) to depressurise the system.
3.
Refer to section 2.2.
4.
Eliminate the cause of blocking the check valve
(non-return valve) or replace it if damaged.
1.
Please contact the customer service
department.
2.
Refer to section 2.2.
1.
Please contact the customer service
department.
2.
Refer to section 2.2.
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