Air-O-Swiss AOS 7135 Service Manual download pdf (Page 17)

Q. The directions tell me not to place the unit directly

on the floor, why do I have to elevate the unit?

A. The idea with this unit is to allow one to force more

humidity into the air than is needed. Because of this,

the carpeting or wood floor surrounding the unit may

become damp. If the unit is placed at least 3 feet off

the floor, the mist will have the opportunity to evapo-

rate before hitting the floor.

Q. Water does not go into the tank.

A. In order to fill the tank, it must be turned upside down.

The cartridge is placed on the water tank cap. Do not

pour water in the tube which is the mist outlet.

Q. White dust is emitted from the unit

A. White dust particles are minerals that are broken up in

tiny pieces by the ultrasonic process.

Solve the problem:

• Soak the demineralization cartridge in a bowl of water

for a minimum of 24 hours. If the cartridge is soaked

in the water tank, the water in the tank and the base

needs to be replaced before using the unit.

• Exchange the demineralization cartridge after 1-2

months when you use very hard water (for softer water

after 2-3 months). No matter how hard your water

is, exchange the cartridge at the very latest after 6

months.

• Don’t use water from a pre-installed water softener,

or sodium instead of calcium will be emitted from the

unit. Use distilled water instead and remove the demi-

neralization cartridge.

• For very hard water areas use only distilled water and

remove the demineralization cartridge.

• Use Reverse-Osmosis water (R-O water) instead of dis-

tilled water and remove the demineralization cartridge.

• Cleaning light is flashing (model 7135, 7142)

Switch off the unit and unplug it. Empty the water in

the base. Rinse the base with hot/clean water. Do not

submerge the base! Visually inspect the base for dirt or

mineral build up. If soft water is used decalcifying the

unit every 4 weeks with EZ Cal is suggested. If hard

water is used the unit should be decalcified every 2

weeks. Do not forget to reset the clean light after reset-

ting the unit.

Q. Reset cleaning light (model 7135/7142)

A. The cleaning light does not automatically reset. Hold

down the power button (button A in instruction manual)

until the light stops flashing. The light automatically

comes on approx. after 14 days of plugging in the unit.

Q. The hygrometer on unit reads a different humidity

level than external hygrometer.

A. Not all hygrometers are calibrated the same, and most

are off by +/- 5%. Plus the humidity level is not the

same in the whole room. The air circulation is different

in every corner of the room. The unit should not be

placed near a heat vent or a radiator as the heat will

absorb all of the moisture.

Q. Humidity level is not changing or does not reach

the desired humidity level.

A. If the water tank needs refilling more than once per

day, the unit is working properly and the climatic condi-

tion in the room has an influence on the humidity.

Reasons for low humidity level:

• air circulation is very high (air is fully exchanged se-

veral times per day – the humidifier needs to starts its

work from scratch)

• insulation of home (see air circulation)

• open space with high ceilings (not only the footage of

the room counts but also the height) – high-rise buil-

dings require more humidification.

• open windows – works similar to air circulation (if it is

very cold outside don’t open the window more than 2

times per day for 3 minutes

• big difference between outside temperature and inside

temperature – the colder the air the less moisture it

is capable to hold and the more the air is heated up

the lower is the percentage of relative humidity (=the

amount of water vapor in the air, compared to the

amount the air could hold if it was totally saturated)

• position of the unit - if it is placed close to a door, win-

dow or air vent. This increases the air circulation.

Q. Tank is leaking

A. Check if there are any hairline cracks. Dropped units or

water tanks that are cracked will not be covered under

the warranty. Please contact the retailer the unit was

purchased from in case your unit arrives damaged.

Q. Placing the face in the mist

A. It is not recommended that anybody places their face

in the mist. It is an electrical product and should not be

played with.

Q. No mist / unit is not working / empty indicator

keeps flashing

A. Fill up the water tank. Check if water is flowing through

the demineralization cartridge (attached to the water

tank cap). If the water tank is full but there is only little

water in the base it indicates that the water is now

flowing through the demineralization cartridge.

• Wait for 15 minutes to allow the mist to come out of

the unit.

• If the unit is not working and the empty light is not

flashing you might have set the desired humidity too

low and the current humidity level in the room is hig-

her. That is why the unit switches off automatically.

• If the empty indicator keeps flashing and the tank is

full, the water is not flowing through the cartridge.

Exchange the cartridge or the granules in the cartridge

after 2-3 months, in areas with hard water exchange

the cartridge after 1 -2 months. However, the demi-

neralization cartridge and or the granules must be

exchanged at the latest after 6 months or the unit does

not reach its full performance anymore.

• If the granules are new, see the following instructions:

• Make sure the cartridge and/or granules were soaked

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Air-O-Swiss AOS 7135 Service Manual Page 17

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