Gardena 4000/5 Betriebsanleitung - Seite 11

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Pump ON

flashes

Manual operation for

fault location:

Manual

flashes

Manual

flashes

If any other faults occur, please contact GARDENA Service.

Possible cause

Deposits of dirt on the impeller

of the dry-running safety device.

Throughput was < 140 l/h for

several minutes.

Rotary switch of non-return

valve is set to START.

Non-return valve of the

manometric switch is blocked.

Note: Even a small leak (loss of just a few ml) can cause the

pressure to drop below the pressure needed for switching

on the pump. The cause is often small leaks in taps or WC-

cisterns.

If ERROR 10 (leakage) occurs, the pump can only be switched on

again by unplugging the mains plug and plugging it in again.

Reduction in throughput on the output side:

The pump indicates on the throughput display or pressure display

that the throughput on the output side is < 140 l/h.

(The pump also switches on and off frequently)

Possible cause

Relatively large leak on the

delivery side.

Filter blocked.

Throughput < 140 l/h

Reduction in throughput on the intake side:

The pump displays MAX l/h or MIN bar, although a low throughput

is present.

Possible cause

Leak on the suction side.

Suction hose end is partially in

the water.

Water reservoir (e.g. under-

ground tank) is almost empty.

Inlet filter or backflow preventer

blocked.

The pump can be switched on for 10 minutes for fault location

without the pump being switched off prematurely by the electronic

control system and an error being reported ( ERROR).

1. Press shift and manual keys simultaneously.

The control electronics of the pump are disabled, OFF.

2. Press shift and manual keys again simultaneously.

Pump starts in manual mode,

remaining is shown in minutes (10).

3. Press shift and manual key again simultaneously.

Manual operation is discontinued prematurely.

Pressing the reset key returns the system to normal mode.

Remedy

➜ Contact GARDENA Service.

➜ Increase throughput.

➜ Turn rotary switch to RUN.

➜ Clean non-return valve

(see 7. Maintenance).

Remedy

➜ Rectify leak.

➜ Clean filter and make sure

water level is adequate.

➜ Increase throughput

Remedy

➜ Check all intake connections.

➜ Submerge end of suction

hose fully in the water.

➜ Ensure water level is high

enough.

➜ Inlet filter or backflow

preventer blocked.

flashes and the time

Manual