Gardena 4000/5 Manual de instrucciones - Página 9

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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.