9
M
ALFUNCTION
P
OSSIBLE
C
AUSE
E
LIMINATION
2. The motor is run-
ning, but the pump
is not discharging
any liquid.
1.
2.
3.
The pump housing is not filled with liquid.
Air penetrates into the pump body
Check valve (non-return valve), if pre-
sent, is blocked or defective.
1.
2.
3.
Ensure the water level in the pool is above
the suction point of the pump. Make sure
the strainer is free of dirt
Check to make sure that:
a. the connection points of the intake line
are tight;
b. No siphons (i.e. permanently liquid-filled
loops), kinks, counter-slopes or narrow
spots are present along the intake lines.
Eliminate blocking of the check valve
(non-return valve) or replace, if damaged.
Clean the insert of the pump and check
any blockage of the impeller
3. The pump stops
after a short time
of operation be-
cause the thermal
motor protection
feature has trig-
gered.
1.
2.
3.
4.
The electrical supply does not corre-
spond to the information given on the
type plate
Pump or intake openings are blocked by
solids.
Temperature of the liquid is too high.
Pump is running dry.
1.
2.
3.
4.
Please use a device complying with GS
(German technical supervisory authority)
to check for the presence of voltage (safe-
ty information to be observed!).
Remove possible congestion.
Make sure that the temperature of the liq-
uid being pumped does not exceed the
max. admissible value.
Eliminate causes of dry-running.
4. Low current
1.
2.
3.
Dirty filter
Dirt in filter basket of sand filter
Blockage in the pipe
1.
2.
3.
Rinse or clean the filter
Clean the filter basket of the tube
Check the pipes. Avoid any bending of
hoses. Flush with sufficient water in case
of need.
5. Noise in the pump
during the opera-
tion
1.
2.
3.
4.
5.
Defect bearing
Air penetrates into the intake line.
Blockage during aspiration
Fault in the impeller
Disturbance while sucking
1.
2.
3.
4.
5.
Contact your local service partner or the
manufacturer
see section 2 of this table
Check and clean the suction hose
Contact your local service partner or the
manufacturer
Improve the suction inlet. Make sure the
suction inlet is under the water level of the
swimming pool. Reduce the numbers of
screws; assemble a pipe with a larger di-
ameter.
21
Summary of Contents for 30310
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