6. Maintenance
Clean filter:
2
w
1
DANGER! Electric shock!
There is a risk of injury from electric shocks.
v
Before maintenance, unplug the Rain Water Tank
Pump from the mains.
In order to ensure continuous trouble-free operation, the filter
w
should be cleaned at regular intervals.
After pumping dirty water, the filter must be cleaned immediately.
1. Press the two locks
1
and remove the foot
2
from the pump.
2. Turn filter
w
1/4 to the left and remove (bayonet lock).
3. Clean filter
w
under running water.
4. Re-install filter
w
in the opposite sequence.
7. Trouble-Shooting
DANGER! Electric shock!
There is a risk of injury from electric shocks.
v
Before correcting functional problems unplug the
Rain Water Tank Pump from the mains.
Problem
Possible Cause
Remedy
Pump is running,
but doesn’t deliver
Air cannot escape, because the
pressure line is closed. (Possible
kink in the pressure hose.)
v
Open the pressure line
(e. g. shut-off valve,
delivery units).
Air in suction foot.
v
Wait for about max.
60 seconds until the pump
has vented; if necessary,
turn off and then on again.
Foot / Suction foot / Filter is
clogged.
v
Unplug at the mains and clean
filter (see
6. Maintenance).
Water level below minimum
water level when put into
operation.
v
Submerge the pump deeper.
Pump does not start,
or stops suddenly during
operation
Thermal switch has turned
the pump off because of
overheating.
v
Unplug at the mains and clean
filter (see
6. Maintenance).
Observe max. media
temperature (35 °C).
Pumping without electricity.
v
Check fuses and electrical
plug connections.
Pump is running but the
delivery drops suddenly
Foot / Suction foot / Filter is
clogged.
v
Unplug at the mains and clean
filter (see
6. Maintenance).
Only with 1742:
Pump irregularly switches
on and off
Leakage protection activated
due to leaking.
v
Check telescopic tube, hose
and dispensing device and
remove leakage.
15
GB