VONROC GP527AC, Original Instructions Manual, Page: 12 / 76

12
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inlet (3).
6. Remove the filter and foot valve (4), then rinse
with clear water. Make sure that there is no
water left in the suction hose (8).
7. Remove the water hose from the water outlet
(10). Unscrew the coupling from the water
outlet (10).
8. Place the drain plug (2) back, do not overtighten.
9. Clean and store the device (see 'Maintenance')
5. MAINTENANCE
Before cleaning and maintenance, always
switch off the machine and remove the
mains plug from the mains.
Clean the machine casings regularly with a soft
cloth, preferably after each use. Remove very per-
sistent dirt using a soft cloth moistened with soap-
suds. Do not use any solvents such as gasoline,
alcohol, ammonia, etc. Chemicals such as these
will damage the synthetic components.
If the appliance appears to be blocked, switch off
the power at the mains, remove the plug from the
socket and check the appliance for blockages.
Clean suction hose, foot valve, pre-filter and pump.
STORAGE AND FROST POTECTION
The garden pump and accessories that are not
completely drained can be destroyed by frost.
Completely drain the garden pump and accessories
and protect them against frost.
Keep this appliance in well-ventilated dry premises
with temperature not going below +5°C.
When not in use, keep this appliance stored in
a safe place out of reach of children.
TROUBLE SHOOTING GUIDE
Problem Cause Remedy
Pump does not
start
No mains supply
Pump not
switched on
LED-failure is on
Not enough pump
pressure
The switch-on
pressure is set
too low
The dry-run
safety is activated,
because the
the switch-on
pressure is set too
high
Check mains supply
Switch on pump
Press the reset
button
Check that the
pump pressure is
0.8bar higher than
the starting pressure
of the switch.
By turning the pres-
sure setting screw
clockwise, the
switch-on pressure
will be increased.
By turning the pres-
sure setting screw
anti-clockwise, the
switch-on pressure
will be reduced.
Pump is active but
no water is being
delivered (after
being started
for more than 5
minutes)
The pump is not
fully filled with
water
Air in the suction
hose
Water level is too
low
Suction hose, foot
valve, pre-filter or
pump is blocked
Re-fill the pump
with water and
check the suction
hose foot valve
Check sealing of
various joints of
the suction hose
Adjust installation
height of the pump
(< 8 m)
Clean suction hose,
foot valve, pre-filter
or pump
Pump does not
stop or start and
stop constantly
The switch-on
pressure is set too
high
By turning the pres-
sure setting screw
anti-clockwise, the
switch-on pressure
will be reduced.