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Aktobis AG, Borsigstr. 20, D-63110 Rodgau / Germany 

www.AKTOBIS.de

 

Email: info@aktobis.de 

 
 
 
 

Troubleshooting: 
 

The unit does not dehumidify enough / Too little water collects in the condensation tank 
 
Please remember that the primary aim is not to gain as much condensation water as possible, but to dry and/or 
keep dry the room air or ceilings, walls and inventory ! 
 
Furthermore, bear in mind that the dehumidifier can only remove moisture from the air and only indirectly from 
materials. Depending on the condition of the ceilings, walls and fixtures, it may take several weeks for the stored 
moisture to be released back into the air! For this reason, we also recommend that if you use your own humidity 
meter (hygrometer), it should be placed as freely as possible and somewhat away from walls and ceilings, because 
otherwise the measured humidity value of the room air will be falsified! 
 
As with all dehumidifiers, the dehumidification performance is decisively influenced by the following factors: 
A) humidity content of the room air and B) heat/temperature in the room. 
Therefore, for safety's sake, here is an excerpt from the dehumidification table at DAUERBETRIEB: 
 

35 degrees 

and 80% r.h. = approx. 22 litres  and at 90% r.h. = approx. 25 litres  and at 60% r.h. = approx. 13 litres 

30 degrees 

and 80% r.h. = approx. 20 litres  and at 90% r.h. = approx. 22 litres  and at 60% r.h. = approx. 11 litres 

20 degrees 

and 80% r.h. = approx. 11 litres  and at 90% r.h. = approx. 14 litres  and at 60% r.h. = approx.    7 litres 

15 degrees 

and 80% r.h. = approx.   9 litres  and at 90% r.h. = approx. 11 litres  and at 60% r.h. = approx. 5 litres 

10 degrees 

and 80% r.h. = approx.   6 litres  and at 90% r.h. = approx.   8 litres  and at 60% r.h. = approx. 4 litres 

  

5 degrees 

and 80% r.h. = approx.   5 litres  and at 90% r.h. = approx    6 litres  and at 60% r.h. = approx. 3 litres 

 
All data are approximate per day (fluctuation tolerance) when measured directly at the unit inlet and, of course, 
these values only apply if the temperature and moisture content remain constant!

 

 
 
The unit rattles or makes running noises 
 
Running noises are usually caused by the air filter unit. We kindly ask you to remove the air filter and check 
whether the running noises are still present to the same extent ? 
 
An unfavourable position of the dehumidifier is often the reason for higher running noises. Try changing the position 
of the dehumidifier a little, as the running noises will usually disappear for the most part. Optimal and particularly 
quiet operation is achieved when the dehumidifier is placed on a piece of carpet, doormat or similar during 
operation! (Stone floors, tiles, laminate or parquet, on the other hand, increase the operating noise of the 
dehumidifier!) 
 
 
The appliance is leaking or water is leaking out. 
 
In this context, we would like to provide you with the following information:

 

A "leak" on your dehumidifier is actually impossible, unless the main frame is broken and such a thing can of 
course be ruled out without force. 
 
If the water still leaks out, then the condensate is probably coming from the "emergency drain", which is located 
behind the collection container at the very top right in a small triangular recess. The reason for this is that the 
normal drain is prevented. This can have the following causes:

 

 
1.  The most common cause is a slight soiling in the drip tray or the left drain (e.g. due to dead insects, dirt or 

similar) and therefore the condensate cannot drain off normally. In this context, please check the left drain once 
or shake the unit once briefly in the upside-down position. Make sure that you then wait at least 4 hours before 
switching the unit on again! 

2.  The unit does not have a straight stand. 
3.  It may be that only a large piece of ice has come off the cooling fins of your dehumidifier and this leads to a 

short-term blockage. We therefore recommend that you disconnect the unit completely from the power supply 
for a day and then the unit should no longer "leak". 

 

Summary of Contents for WDH-520EB

Page 1: ...ccur despite careful instructions on the carton For this reason we ask you to leave the unit upright for at least 4 hours before using it for the first time 4 hours before using the unit for the first...

Page 2: ...Do not place any objects on the dehumidifier Do not block the exhaust air fins of the unit and please ensure sufficient space clearance at and around the fan Ensure that there is sufficient air suppl...

Page 3: ...rved The unit should not be stored or operated in a room with burning heating appliances or open fire Please note that the refrigerant is odourless and therefore a leak cannot be detected immediately...

Page 4: ...Aktobis AG Borsigstr 20 D 63110 Rodgau Germany www AKTOBIS de Email info aktobis de Description of the unit parts Functional description...

Page 5: ...he TIMER key Determining the remaining running time Press the TIMER button during operation to select the desired remaining running time of the dehumidifier A value between 1 12 hours can be selected...

Page 6: ...ing or uneven ground 4 4 Please always keep a distance of approx 20 cm to the wall to avoid possible overheating of the appliance Furthermore please also ensure a distance of approx 50 cm upwards when...

Page 7: ...ty air filter Fold the carrying handle upwards and then remove the air filter upwards from its holder It is best to clean the air filter carefully under lukewarm water or with a low setting suction po...

Page 8: ...at the unit inlet and of course these values only apply if the temperature and moisture content remain constant The unit rattles or makes running noises Running noises are usually caused by the air f...

Page 9: ...s Completely or partially dismantled units Conformity The dehumidifier has been tested and itself and or parts thereof have been manufactured under the following safety standards T V Rheinland GS test...

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