Maintenance
Keep the washing machine clean to prevent deteriorated performance and to preserve its life cycle.
Eco Drum Clean 
Perform this course regularly to clean the drum and to remove bacteria from it.
1.Press Power to turn on washing machine.
2.Turn the Cycle Selector to select ECO DRUM CLEAN.
3.Press Start/Pause.
NOTE
The water temperature for ECO DRUM CLEAN is set to 70 °C, which cannot be changed.
CAUTION
Do not use any cleaning agents for cleaning the drum. Chemical residue in the drum deteriorates the washing performance.
ECO DRUM CLEAN reminder
•The ECO DRUM CLEAN reminder appears on the main screen once every 40 washes. It is advisable to perform the ECO DRUM CLEAN regularly.
•When you first see this reminder, you can ignore the reminder for 6 consecutive times. From the 7th wash, the reminder does not appear. However, it appears again on the second 40th wash.
Maintenance
English 41
WD90K6400OW_03745G_EN.indd 41
2016/7/27 13:47:36