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hose to be connected through the pressure port of the pump. To remove tenacious dirt, the foot of the pump (8)
can be removed by loosening the screws located at the bottom of the pump. To avoid any hazard, any further
disassembly as well as the replacement of parts must only be done by the manufacturer or a by an authorised
service provider. Water left in the pump may freeze in case of frost and thus cause considerable damage.
Therefore, the pump must be removed from the liquid being discharged and fully drained when temperatures are
below the freezing point of the liquid. Please store the pump in a dry, frost-protected place. In the case of
malfunction, you should first of all check whether it was caused by an operating error or some other reason which
cannot be attributed to a defect of the device - for instance a power failure. The list below shows some possible
malfunctions of the device, possible causes and tips on their elimination. All the measures referred to may only be
carried out with the pump being separated from the electrical mains. If you yourself feel unable to eliminate any of
these malfunctions, please contact the customer service department or your point of sales. Any repair beyond the
scope specified below must only be performed by qualified staff. Please bear in mind that all warranty claims will
become void in the case of damage caused by inappropriate repair attempts, and that we decline any liability for
any ensuing damage.
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 pump wheel is blocked.
5.
The floating switch is defective.
2. The motor is running,
1.
The intake openings are clogged.
but the pump is not
2.
The pressure line is clogged.
discharging any
3.
Air penetrates into the pump body.
liquid.
4.
The min. suction level was fallen short of;
possibly incorrect setting of the floating switch,
motion of floating switch restricted, floating
switch defective.
5.
Check valve (non-return valve), if present, is
blocked or defective.
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 openings are blocked by
has triggered.
solids.
3.
Liquid is too viscous.
4.
Temperature of the liquid is too high.
5.
Pump is running dry.
4. Intermittent or
1.
Pump wheel obstructed by solid matters.
irregular operation.
2.
Refer to section 3.3.
3.
Refer to section 3.4.
4.
Mains voltage out of tolerance.
5.
Motor or pump wheel defective.
5. Water quantity
1.
Refer to section 2.1.
discharged by pump
2.
Refer to section 2.2.
is inadequate.
3.
Worn pump wheel.
6. The pump does not
1.
Floating switch cannot move freely.
cut in or out.
2.
Incorrect setting of floating switch.
3.
Floating switch defective.
12
POSSIBLE CAUSE
5
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.
Eliminate blocking of pump wheel.
5.
Please contact the customer service
department.
1.
Remove possible congestion.
2.
Remove possible congestion.
3.
Start pump several times so that the entire air
will be driven out.
4.
Make sure that the minimum suction level is not
fallen short of; if necessary, adjust floating
switch properly or make sure that it can move
freely; in the case of a defective floating switch,
please contact customer service.
5.
Eliminate blocking of the check valve (non-
return valve) or replace, if damaged.
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 does not exceed the max.
admissible value.
5.
Eliminate causes of dry-running.
1.
Remove solids.
2.
Refer to section 3.3.
3.
Refer to section 3.4.
4.
Make sure that mains voltage matches that
indicated on the type plate.
5.
Please contact the customer service
department.
1.
Refer to section 2.1.
2.
Refer to section 2.2.
3.
Please contact the customer service
department.
1.
See that floating switch can move freely.
2.
Correct floating switch settings.
3.
Please contact the customer service
department.
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