AL-KO JET 4000 Traducción Del Manual Original De Instrucciones página 19

Maintenance and care
7.3 Fault message
Switching condition
Pump is switched off by
the electronics (dry run-
ning protection). Reset
the fault message by
pressing the START/
STOP button.
During the first and sec-
ond re-start after the fault
message.
During the third re-start
after the fault message.
8 MAINTENANCE AND CARE
DANGER! Danger of electric shock!
There is a risk of electric shock when working on
the pump.
■
Disconnect the mains plug before starting
any fault remedying work.
■
Faults in the electrical system must be recti-
fied by a qualified electrician.
8.1 Clean the filter
1. Unscrew filter chamber drain plug (10), drain
the filter chamber and screw in the drain plug
again.
2. Unscrew transparent filter cover (9) using fil-
ter wrench (18).
3. Remove filter (20) from the filter housing and
clean under running water.
4. Clean filter housing and transparent filter cov-
er.
5. Before installing the filter, check filter seals
(19) and housing seal (23) for damage and
replace, if necessary.
6. Install the filter, screw on the transparent filter
cover and tighten finger-tight using the filter
wrench.
8.2 Cleaning the check valve
1. Remove the filter (see Section "Cleaning the
filter").
467774_j
LED display Function / action
ALARM LED Check suction line, then back to
lights up.
initial commissioning until the pump
delivers water.
Dry running alarm: This message is displayed if
no flow is measured for longer
than 180 seconds.
Reset the error message by
pressing the START /STOP button.
LED display Check pump and back to initial commissioning until
ALARM is flash- the pump delivers water.
ing.
LEDs FLOW Allow the pump to cool down and check.
CONTROL and
ALARM flash al-
ternately.
2. Unscrew check valve (21) and clean under
running water.
3. Replace seal (25), if necessary.
4. Fit check valve.
5. Install filter.
8.3 Clean float
1. Unscrew pressure line (3) with elbow nipple
(13) and connecting nipple (15).
2. Unscrew screw-in nipple (24) with seal (25).
Note the installation position of float (26). Pull
out the float body and clean it.
3. Replace the float - noting the installation po-
sition.
8.4 Flushing the pump
After conveying swimming pool water containing
chlorine or fluids that leave residues, the pump
must be flushed out with clear water.
1. Flush the pump with clear water.
8.5 Remove blockages
1. Disconnect the pump from the mains supply
and secure to prevent restarting.
2. Disconnect suction line from pump inlet.
3. Connect pressure line to the water line.
4. Allow water to run through the pump housing
until the blockage is removed.
5. Switch on the pump briefly to check whether
it runs smoothly.
6. Put the pump into operation as described.
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