MOOKA ST900 User manual

ST900
4L Ultrasonic Humidifier
User manual

Content
English 1-10
11-22
GERMAN

1
Thank you for purchasing our ST900 4L ultrasonic humidifier. Please read
the user manual carefully and keep it for future reference. Please contact
us by email at support@
mookapro .com if you need any assistance.
Instruction
Package contents
Warranty & Customer Support
For questions, assistance, support, or warranty claims, please contact
us at the address below that corresponds with your region. Please include
your Amazon order number and product model number.
1.Humidifier 3.User Manual2.Brush
Amazon orders: [email protected]
Please note: mookapro can only provide after sale service for products
purchased directly from mookapro. If you have purchased from a
different seller, please contact them directly for service or warranty
issues.

Model
Input
Power Consumption
Water Tank Capacity
Misting Output
Continuous Use Time
Noise Level
Operating Temperature
Operating Humidity
Cable Length
Product dimensions
ST900
AC 100-240V 50/60Hz
25W
4L
200ml/h
15-20h
<35db
5˚C~40˚C/41˚F~104˚F
<80%
1.5m/4.9’
213*213*334mm
8.39’’*8.39’’*13.15’’
Packing dimensions
Net weight
Gross weight
255*255*418mm
10.04’’*10.04’’*16.46’’
2.2kg
2.5kg
2
Specifications

1.Simple white texture and innovative design
2.Open water tank and easy to clean
3.Floating sense technique to avoid water leaking
4.Adjustable humidity mode
5.Three adjustable mist settings
Feature
Function buttons
After plugging in the power supply, the machine enters the standby state
with a sound “beep”, and the standby power rate is not exceeding 10w.
1.Power
Press this button to turn on the machine with a sound “beep”. The default
low-grade fog, the low light bright white light, the display screen automatically
displays the current environment humidity, bright white light.
Press this button again to turn off the machine with a sound “beep”.
2.Mist
Press this button to adjust the default low-grade fog to mid-range, and press
again to high. For each gear selection, the display screen indicates different
bright white light.
3
Power Mist Timer
Humidistat
Sleep
Anion
1 2 3
4 5 6

3 .Timer
Press this button to enter the timer mode. You can set time from 1H to 12H and
the step is 1H. After setting the required time, the humidifier will automatically
enter the timer work mode with the time number flickering for three times.
After 12H, press this button again and exit the timer mode.
The corresponding time on the display screen and the unit symbol "H" will show a
white light, which will not be displayed if not in timer mode.
6.Humidistat
Press this button to adjust the humidity which is from 45-90% and the step
is 5%. After selecting the desired humidity, the value on the display screen
will blink for 3 seconds to enter the automatic constant wet mode.
Because of the environment and distance, there is an error between the displayed
degree and the actual degree which is about 5 degrees.
5. Sleep
Press this button to enter sleep mode. And then the sign of sleep mode lights up,
the brightness of display screen becomes half dark, the fog is automatically
changed into middle-grade and humidity to 65% at humidity mode.
Press this button again to cancel the sleep mode and go back to the settings
before. The fog quantitative is changed into high-grade.
4. Anion
Press this button to release a lot of negative ions which could clean the
air and keep you fresh. The negative ions can clearly settle the particles
which are small to 0.01 micrometers and effectively remove odors achieve
the purpose of antimicrobial sterilization.
7 .Water shortage protection
When the water tank is short of water, the buzzer will alarm for three times.
And then the humidifier enters the standby state and the display screen will
show the water shortage icon.
4

Product diagram
1. Top cover
2. Water tank
3. filter
4. Base
5. Brush
6. Display screen
7. Power
8. Mist
9. Timer
10. Anion
11. Sleep
12. Humidistat
5
7 8 9
10 11 12
Power Mist Timer
Humidistat
Sleep
Anion
1
2
3
4
5
6

How to use
4. Plug in the power supply and
press the power button to turn on
the humidifier.
6
1. Put forward water tank to
add water or directly add
water to the tank;
2. Put the water tank into the base;
3. Then cover up the top cover;
there is a small traingular on the lid,
which match the small notch just above
the mark, so you can cover the lid
successfully.

Cleaning of the humidifier
1. To ensure the best performance of the humidifier, the water sink and tank of
the humidifier need to be cleaned regularly and suggest cleaning every five
days to prevent the transducer and filter from gathering dirt.
2. Please turn off the power and unplug the humidifier when cleaning. And please
unplug by holding the plug, not by pulling the power cord.
3. Do not use chemical solvents, gasoline, polishing powder and other
substances to clean the surface of the machine. Do not use cleaner to clean
the humidifier; it is best to be cleaned with clean water.
4. Please use soft cloth to clean different parts of the humidifier.
If there is dirt you can't remove, please use 60 degrees hot water to melt the
citric acid (the proportion of water and citric acid is 10mL: 1g) and pour it into the
dirt, soak for about five minutes, then use the brush to wash dirt, until it is
removed.
5. Unload the filter from the water tank and soak it into white vinegar for about
15 minutes. Then gently shake dozens of times and clean it with clean water.
The filter is the same as a new one.
6. Please replace the water in the water tank regularly and keep the humidifier
clean. When the humidifier is not used for a long time, please clean all parts
and place it in a dry place after drying.
7

Cautions
1. Please do not pull plug with wet hand to avoid electric shock.
2. Please do not disassemble, repair and reform this product.
3. Please do not touch the atomizer with your hand when turning on.
4. The power cord shall not be damaged or tied, nor shall it be pressed.
Please do not change the power cord without authorization. If the power cord is
damaged, you need a professional to repair it.
5. Please do not separate the water tank from the base when it is working and
do not touch the water and parts in the base.
6. This machine is only used indoors.
7. Please unplug when there is a thunderstorm or if it is not used for a long time.
8. Please do not let children and people who have reduced or impaired physical
or mental capabilities use the humidifier.
9. Please do not flip the product in the working state to avoid burning the
electronic components.
8

Frequently Asked Questions
Problem Reason Solution
The lamp is not
bright there is no wind
and no fog
Power indicator light
Wind without fog or
no wind blows out
The spray of fog
smelled bad
The fog amount
is too small
1.The plug is not
plugged in
2.The power cord is
damaged
1.The tank without
water
2.The atomizer or
fan is damaged
New product or
tank is not clean
The atomizer
gathers dirt
1. Check the plug
and connect
2. Send to repair
center
1. Add water to the
tank
2.Send to repair
center
Clean the tank
or replace the water
Clean the atomizer
9

10
Problem Reason Solution
"E1/HH" appears
on the display
Please adjust the
humidifier according
to the reasons .
1No water in tank , then
"E1/HH" appears on the
display
2.If you add water , but
"E1/HH" still appears on the
display,may be caused by
following reasons:
a).After cleaning the thimble,
it may be not installed in the
appropriate location.
b).The silicone baffle at
outlet of water tank is
blocked by impurities
c).The water tank may be
not put in in the right location.
d).The brush stuck the water
tank, which leads to the
water tank is not stable.
e).The bracket of the water
valve is not put in the right
location.

Product care
1. The new product will have a slight odour which will automatically
remove after using for three or four times.
2. Use on a stable, flat, and level surface. Keep the area clean and dry.
3. Do not use in anywhere near the hot surface.
4. Do not put humidifier in the vents and as far as possible away from
electronic equipment.
5. Use only fresh and clean water. Do not use warm or hot water.
Do not over-fill the water tank
6. Do not add water through the mist outlet. Dry the body with soft and
clean cloth and avoid damages to the machine.
7. When room temperature is below zero, pour all water out of the tank
and avoid damages to the machine.
8. Unplug the product when moving, cleaning, adding water and pouring
water out of the tank.
9. When the machine is working, do not open the top cover and touch
the wind wheel by your hand, nor can you put the hard object into the
machine from the top cover, so as not to cause problems.
This device complies with part 15 of the FCC Rules. Operation is
subject to the following two conditions:
(1) This device may not cause harmful interference.
(2) This device must accept any interference received,including
interference that may cause undesired operation.
Shenzhen TAT Electronics Co., Ltd.
5F, Tower B, 1st Building, Hedong Hangcheng Industrial Zone,
Xixiang Street, Bao'an District, Shenzhen 518101, China
FCC WARNING

Dear customer,
Thank you for purchasing a MOOKA product. Please keep this card for
guarantee! Every MOOKA product has a 1-year warranty.
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FOSHAN SHUNDE DEERMA ELECTRIC APPLIANCES CO., LTD

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