EHEIM professionel 4+ 250 Instrucciones De Uso página 26

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. . . Top of filter leaks?
Cause
Closing clips not closed properly.
Sealing areas or gasket soiled.
Sealing ring not fitted,
inserted wrongly or damaged.
. . . Primer does not work?
Cause
Prefilter flap in prefilter
not closed.
Prefilter is filled with water.
Check valve polluted/ defective.
. . . Pump does not work?
Cause
No mains supply.
Shaft broken.
Impeller missing or blocked by bits
of gravel, shells or similar.
. . . Filter performance has greatly deteriorated?
Cause
Safety adapter lever position not correct.
Safety adapter soiled.
Hose installation has too little flow.
Hose installation soiled.
Strainer blocked.
Filter media heavily soiled.
Filter media filled into a net bag.
Filter media not cleaned properly.
Filter media wrongly assembled.
Filter pad not renewed.
Pump is dirty.
Solution
Close all clips properly.
Clean seal areas and spray lightly with EHEIM silicone grease spray
(Order no. 4001000).
Insert sealing ring correctly or renew.
Solution
Check the prefilter flap for pollution and, if required, clean it.
The prefilter flap must be unobstructed (see chapter 8.2, step 13).
Empty prefilter, repeat priming. Priming only works with empty prefilter.
Clean and, if required, replace the check valve (see chapter 8.3).
Solution
Plug in to mains.
Renew shaft (see list of spares).
Fit impeller, clean pump chamber.
Solution
Check lever setting and adjust.
Remove safety adapter; open shut-off lever and clean openings
with EHEIM cleaning brush (no. 4005570).
Check that there are no kinks or marked narrowing of cross-section.
Clean hose installation with universal cleaning brush (no. 4005570).
Remove coarse dirt, clean strainer.
Clean filter media.
Never put long-term filter media in net bags or nylon stockings. This
leads to a drastic reduction in pump performance within a short time.
Clean the filter masses thoroughly according to chapter 8.
Check filter mass assembly for correct sequence (chap. 5, step 9).
Be sure to renew the filter pad each time you clean.
Clean pump chamber, cooling and lubrication channel with EHEIM
cleaning brush set (no. 4009560).
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