Gardena 4000/5 Betriebsanleitung - Seite 9

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Gardena 4000/5 Betriebsanleitung

8. Troubleshooting / Service

8. Remove valve body
9. Refit non-return valve again in reverse order.
10. Switch Electronic Pressur Pump on again (see 5. Operation).
Danger ! Electric shock !
Risk of injury due to electric shock.
➔
Unplug your Electronic Pressure Pump from the mains
before troubleshooting.
No display appears
Possible cause
Power failure.
Thermal overload switch of
pump has switched off
because of overload.
Interruption to power supply.
Direct sunlight
(Display temperature > 65 °C).
The pump attempted to draw in water for 4 min. after start-up.
The pump is now in the wait position for one minute before
starting a new suction attempt (display 01 ).
After 4 attempts at suction the pump has switched off
automatically.
Possible cause
Leak on the suction side.
Suction hose is no longer in
the water.
Water reservoir (e.g.
underground storage tanks)
empty.
Suction filter or backflow
preventer blocked.
and clean under running water.
Remedy
➜ Check fuses and cables.
➜ Unplug from mains and
allow pump to cool down.
➜ Ensure compliance with
maximum temperature of the
delivery medium (35 °C).
➜ Ensure the pump is located
in a well-ventilated area.
➜ Contact GARDENA Service.
➜ The function continues to
operate. The display
reappears after the
temperature drops.
Remedy
➜ Check all suction hose
connections.
➜ Submerge end of suction
hose fully in the water.
➜ Check the water level is high
enough.
➜ Clean filter or backflow
preventer.
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