38 – EN
EN – 39
EN
Fault / error
Cause
Solution
The air purifier does not
No power supply
Check that the appliance is connected to a
work.
power outlet.
Air purifier not switched on
Check the position of the power switch.
Door not closed and locked
Close and lock the doors.
The volumetric air flow shown on
Increase the air flow.
the display is “0 m³/h”
Date and time set incorrectly for
Set the correct date and time.
automatic mode
Little or no air is coming
Air purifier not switched on
Turn on the air purifier.
out of the clean-air outlet.
Air inlet or outlet slots blocked
Remove any blockages due to foreign
objects and contaminants from the air
inlet and outlet slots.
The LED display shows the filter
Replace both filters.
status “Replace” or “Alert”.
A strange smell is coming Filter heavily contaminated or at the
Replace both filters.
from the clean-air outlet.
end of its service life.
Disinfection of the HEPA filter element
In the first few weeks of use, new UV-C
by the UV-C lamps*
light bulbs* can cause a slight odour. This is
not a fault. The smell will disappear over
time.
The device makes
Foreign objects or other loose objects
Remove these objects.
unnatural noises.
are on or in the air-inlet and air-outlet
slots
Fault cannot be remedied by yourself.
Please contact the customer service of your
sales partner.
*Applies to models with integrated UV lamps
13 TROUBLESHOOTING
Should you ever have a problem with the product, please try to correct it using the measures described
below. If the air purifier still does not work properly after this, please contact our customer service.
CAUTION!
Use only original MANN+HUMMEL spare parts to replace defective or used
components! The use of spare parts and filters not approved by MANN+HUMMEL will
void all warranties and performance claims.
14 DISPOSAL
Contact your local waste disposal authority for further instructions on proper disposal of appliance
components.
14.1 Environmental protection
Correct disposal of this appliance (waste electrical and electronic equipment) and the battery it
contains.
The OurAir SQ 2500 air purifier is an electrical/electronic device. At the end of its life,
or if the device otherwise becomes waste, you are required by law to dispose of it
separately from unsorted municipal waste. You can return it either to a municipal
collection point for waste electrical and electronic equipment, or to a retailer.
Disposal of the device in the residual waste garbage is prohibited. This is expressed
by the symbol with the crossed-out trash can. The display of the device contains a
CR1225 button cell. This can remain in the device during disposal.
You can return it free of charge at the product’s point of sale. You can also
make use of collection points for electrical and electronic equipment in your
area. Please contact your city or local authority to find out about the addresses
of the collection points.
14.2 Filters
Dispose of pre-filters and HEPA filters in accordance with statutory and local regulations.
You can generally dispose of used filters in an airtight plastic bag in the household waste.
14.3 UV-C light bulbs*
CAUTION!
Do not dispose of used UV-C light bulbs in the household waste.
– Contact your local waste disposal authority for instructions on proper disposal.
* Applies to models with integrated UV lamps
Troubleshooting
Disposal
