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
1.
The intake openings are clogged.
running, but the
2.
The pressure line is clogged.
pump is not
3.
Air penetrates into the pump body.
discharging any
liquid.
4.
The min. suction level was fallen short
of; possibly motion of floating switch
restricted or floating switch defective.
3. The pump stops
1.
The electrical supply does not
after a short
correspond to the information given on
time of
the type plate.
operation
because the
thermal motor
2.
Pump or intake openings are blocked by
protection
solids.
feature has
3.
Liquid is too viscous.
triggered.
4.
Temperature of the liquid is too high.
5.
Pump is running dry.
4. Intermittent or
1.
Pump wheel obstructed by solid matters.
irregular
2.
Refer to section 3.3.
operation.
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
2.
Refer to section 2.2.
pump is
3.
Worn pump wheel.
inadequate.
6. The pump does
1.
Floating switch cannot move freely.
not cut in or out.
2.
Floating switch defective.
POSSIBLE CAUSE
6
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. Make sure that the water
level is not below the min. self priming level.
4.
Make sure that the minimum suction level is
not fallen short of; if necessary, make sure
that floating switch can move freely; in the
case of a defective floating switch, please
contact customer service.
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.
Please contact the customer service department.
15