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13
5. Error code E7
If the appliance stops to operate with a beeping sound and the display shows the error code E7, it
means that there is too little water or no water in the water tank. Please fill in enough water into
the water tank immediately.
5 Cleaning and Maintenance
This chapter provides you with important notices with regard to cleaning and maintaining the
device. Please observe the notices to prevent damages due to cleaning the device incorrectly
and to ensure trouble-free operation.
5.1 Safety information
Attention
Please observe the safety instructions, before cleaning your device
► Unplug the device when not in use and before any cleaning.
► Never immerse the unit, cord or plug in water or other liquids and do not place in the
dishwasher.
► Do not use iron brush, abrasive cleaning agent or solvents, kitchen cleaner, or sharp cleaning
tool for cleaning.
5.2 Cleaning
1. Remove the plug from the outlet and let the device cool down.
2. To maintain the performance of the device, descale the appliance at least once a month. If you
use a CASO water filter and change it as regular as described in chapter 5.2 you do not need
to descale the appliance.
3. Please use a non-toxic detergent such as citric acid. Add some citric acid into the water and
operate the appliance three times. The scale will be removed. After that, pour out the water in
the water tank.
4. Do not clean the main machine. Only wipe it with a damp cloth.
Drainage stopper
After cleaning the appliance, please take out the drainage stopper (3)
in order to clean up waste water. Put the drainage stopper back in
after opening it. Make sure it is fastened properly.
5.3 Storage
1. If the appliance is not used frequently, unplug and clean it, then put back into the original
packing box to avoid that the electrical components from getting humidified or damaged.
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