Stadler Form Roger Little Operating Instructions Manual page 9

off automatically after the set operating time has elapsed. If no LEDs are
lit above the timer, the unit is set to continuous operation.
9. If you are bothered by the brightness of the LEDs and the air quality indi-
cator (in a bedroom, for example), you can reduce the luminous intensity
by pressing the button for night mode (12). You can choose between
three different modes:
• Normal mode (default mode)
• Dimmed mode (press once)
• Lights-out mode (press twice)
The controls cannot be switched off completely, but go out automatically
after 10 seconds without input. Press the dimmer switch again to return
to normal mode.
10. Above the button for HEPA reset (13), four LEDs indicate the life span of
the Dual Filter
be replaced. Reset the timer for the Dual Filter
the button for HEPA reset (13) (for about 3 seconds). If all 4 LEDs light up
continuously, the timer has been successfully reset.
Cleaning and filter exchange
Prior to any maintenance, cleaning and after each use, switch off the appli-
ance and unplug the mains cable (5) from the socket. To access the various
filters, please refer to Point 1 of "Setting up / operation".
Attention: Never submerge the appliance in water (danger of short-circuit).
• For external cleaning, rub with a damp cloth and then dry thoroughly.
• The front cover (1) must be cleaned regularly, once a month depending on
contamination. You can rinse the front cover (1) under running water (IPX4
standard) and then dry it properly. Attention: Never clean the front cover,
filter or other parts of the housing in the dishwasher!
• Depending on its level of soiling, the prefilter (2) must be cleaned regular-
ly with a vacuum cleaner and washed and wiped with a damp cloth under
running water. Allow the prefilter (2) to dry completely before replacing it.
• The Dual Filter
months. If all four LEDs flash above the button for HEPA reset (13), the
filter must be replaced. Should you notice that bad odors are no longer be-
ing released, this is also an indication that the filter needs to be changed.
After replacing the filter, reset the timer for the Dual Filter
and holding the button for HEPA reset (13) (for about 3 seconds). If all 4
LEDs light up continuously, the timer has been successfully reset.
Repairs
• Repairs to electrical appliances must only be carried out by a qualified
electrical technician. If improper repairs are carried out, the warranty
lapses and all liability is refused.
• Never operate the appliance if the adaptor or plug is damaged, after it has
malfunctioned, if it has been dropped or has been damaged in any other
way (cracks/breaks in the casing).
• Do not push any object into the appliance.
• If the appliance is beyond repair, make it unusable immediately by cutting
through the cable and hand it in at the collection point provided for the
purpose.
(3). If all four LEDs are flashing, the Dual Filter
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(3) cannot be cleaned and must be replaced after 8–12
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by pressing and holding
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by pressing
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must
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