System Messages; Maintenance And Care; General Cleaning - EHEIM professionel 4+ 250 Mode D'emploi

Setting mode for target temperature
The factory setting for the target temperature = 24°C (75°F).
How to set the temperature:
D Press and hold the pushbutton (36) for approx 3 sec. The target temperature blinks (temperature indicator (34) and
the status indicator for the target temperature (35) blinks).
E Set the desired target temperature by pressing the pushbutton briefly. Pressing once = increase by 1°C (2°F).
When the maximum set point of 34°C (93°F) is reached, the indicator will begin again at 18°C (64°F).
F When the desired target temperature is set, wait until the indicator blinks again. Then press and hold the pushbutton
d
for approx 3 sec. in order to store the desired target temperature. After 15 sec. without an entry, the indicator re-
turns to the display mode, and the previous setting will be maintained (child guard).

System messages

Control indicator lights
up. The actual tempera-
ture and target tempera-
ture are displayed
alternatively.
Control indicator is off.
The actual temperature
and target temperature
are displayed alter-
natively.

6. Maintenance and care

Note: Electronic version (professionel 4e
The control panel indicates the filter elements to be cleaned. Implement maintenance works in case of reduced
filter capacity (approx. every 3 to 6 months).
Clean all filter inserts (general cleaning 7.2).
7. Prefilter cleaning
1
Note: Renew the blue filter mat after the third cleaning.
1. Disconnect the power cable (31). 2. Disassemble the safety adapter (13) and the pump head (17) (chapter
3, step 1 - 3). 3. Remove the prefilter (4). 4. Remove the blue filter mat (1). 5. Rinse the blue filter mat (1)
under running, lukewarm water (replace if required). 6. Empty the prefilter (4) and rinse it. 7. Insert the blue
filter mat (1) into the prefilter (4). 8. Insert the prefilter (4) with the blue filter mat (1) (place onto supports
arrows). 9. Check and, if required, clean the seals and treat them with EHEIM care spray (No.
4001000). 10. The prefilter flap (3) must be unobstructed. 11. Attach the pump head (17) (observe fitting
position) and close the locking clips (8). 12. Put the filter system into operation (chapter 3, step 17 - 23).
7.

General cleaning

2
1. Disconnect the power cable (31). 2. Disassemble the safety adapter (13) and the pump head (17) (chapter
3, step 1 - 3). 3. Remove the pre-filter (3), the filter cartridge with the screened cover and white filter fleece.
Renew the white filter fleece (6) during each cleaning process. 4. Remove all filter inserts. 5. Rinse the filter
inserts (7) and filter media with water until they are clean (see EASY CLEAN function). 6. Empty the filter tank (9).
The target tempera-
ture set is more than
2°C above the water
temperature.
The target tempera-
ture set is more than
2°C below the water
temperature.
):
+
•
First, clean prefilter (7.1).
•
If general cleaning insufficient: Clean the pump chamber. (7.3).
10
•
The water temperature set has not yet been
reached (may take up to 24 hrs).
•
The water volume is too large.
Raise the ambient temperature and / or
reduce the water volume.
•
Lower the temperature of the aquarium
water by colder fresh water, cold packs,
or the like.
•
Reduce the ambient temperature.
Heater cannot cool.
•
If prefilter cleaning insufficient: