CLEANING
To extend the l�fespan of the appl�ance, �t �s recommended to clean �t at least once a week.
● Sw�tch off and unplug the appl�ance.
● W�pe the base w�th damp soft cloth and w�pe dry. Do not use abras�ve cleansers, hard brushes to avo�d
scratches. Do not �mmerse the base �n water or put �t under runn�ng water.
● F�ll the water tank about half full and add ¼ cup of v�negar. You can use soft brush for clean�ng of tank.
Remove the water and r�nse tank thoroughly.
Note: The water tank should be cleaned once a week.
● Use solut�on of ½ v�negar and ½ water to clean the ultrason�c d�sc. Pour the solut�on on d�sc and leave
for at least half an hour. Us�ng the soft brush to gently clean the d�sc. Pour out the solut�on and r�nse w�th
clean water several t�mes.
Note: Be careful not to get water on the d�g�tal d�splay, electr�cal components of the base and the cord.
Don’t �mmerse the base and cord �nto the water.
● Do not �nject water or put fore�gn matters �nto a�r outlet or a�r �nlet. Do not block a�r outlet or a�r �nlet
wh�le the mach�ne �s operat�ng.
● If you are not go�ng to use the appl�ance for long t�me, clean and dry �t well w�th soft fabr�c, pack �t well.
● All repa�r�ng opeat�ons, �ntervent�on on the dev�ce other than the author�zed serv�ce w�ll result be�ng the
dev�ce out of warranty.
● Th�s dev�ce �s des�gned to work only w�th water. Add�ng l�qu�ds, sol�ds, and odors other than water w�ll
damage the dev�ce and the dev�ce w�ll be out of warranty. (Note: The fragrance can only be used by
dr�pp�ng �nto the sponge �n the aroma add�t�on part.)
● If there �s l�me bu�ld-up �n the steam generator, never scrape �t off or use detergent.
● It �s suggested to refresh the water da�ly.
● It �s str�ctly proh�b�ted add�ng water from the m�st p�llar.
WHC740 USER MANUAL │ 7
TROUBLE SHOOTING
Problem Solution
Make sure it is properly plugged into the wall outlet.
If the water tank has just been filled with water, wait the water
to reach the bottom for 2 minutes and then switch it on.
Humidifier doesn’t work.
Check the socket is working.
Check the water tank has enough water or not.
Check the water tank has been placed correctly or not.
If the water has been in the unit for a long time, replace
it with clean water.
There is a strange odor.
Clean the water tank with vinegar/water mix.
Check the air inlet and outlet is blocked or not.
Humidifying effect is not good.
Clean the atomizer.
Unplug the unit, balance the machine and move to another
location.
Abnormal sound during unit operation.
Place the machine firm surface.
The area is wet.
Increase the mist level
Room should be ventilated
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