Gardena Classic 3500/4E Manuale di istruzioni per l'uso - Pagina 11
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Problem
Info-LED blinks 4 times.
During operation, the pump
switched off after 60 minutes.
Leakage warning activated
Only Art. no. 1758:
Flow Sensor signal faulty
Pump motor does not
start or stops suddenly
during operation
Free the impeller:
For Art. no. 1758 only:
Cleaning the flow
sensor:
i
u
p
a
o
24
Possible Cause
Leak on pressure side
(e. g. dripping tap).
Exceeded maximum duration
(60 mins.) of the low quantity
programme.
Check valve contaminated.
Flow sensor contaminated
FI was triggered because fault
current was detected.
Switch is not turned to I.
Mains plug not plugged in.
Power failure.
An impeller blocked by dirt can be freed again.
v Turn motor shaft
z
This will free the blocked impeller.
If the flow sensor is dirty, this may result in wrong error
messages (Info-LED).
1. Unscrew both screws
2. Remove the cover
3. Undo the screw
4. Unscrew the cap
5. Remove the impeller
flow sensor.
6. Re-fit the impeller
direction.
s
7. Screw the cap
8. Secure the cap
9. First insert the cover
two screws
Remedy
v Eliminate leak on pressure
v When using the low quantity
v Increase water consumption.
v Clean check valve in pump
v Clean flow sensor inside the
v Disconnect pump and
v Restart the pump
v Insert mains plug into
v Check fuse and cables.
z
using a screw driver.
u
.
i
.
o
and detach the clip
a
anticlockwise (e. g. by using a screwdriver).
s
and clean it. Clean the housing of the
s
with the metal part in the mounting
a
into place clockwise.
a
by way of the clip
i
at the top and then tighten the
u
at the bottom.
side.
programme, shorten
the watering duration or
interrupt for 5 minutes
(see 2. Function).
(see 6. Maintenance)
pump (see 6. Maintenance).
contact GARDENA Service.
(see 4. Operation).
a mains socket (230 V AC).
p
.
p
o
using the screw
.