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20.3 Descaling
Descale the device at least once a month, with frequent use and depending on the
water hardness, descale it more often. Attach the device by screwing it at the cooking
vessel.
For descaling, use vinegar essence in a ratio of 1:10, i.e. 0.1 L vinegar essence to 1 L
water or use citric acid in a ratio of 50 g citric acid per 1 L water. The device should be
covered to just below the max mark. Set 25 ° C for 40 minutes.
Confirm with
and the device starts the heating process
The device will beep once temperature of the water is reached. Start the timer with
. In the meantime refill water. After this thoroughly clean all parts under running
water that were in contact with the water and dry them.
21 Troubleshooting
The following table may help you narrow down and address minor malfunctions:
21.1 Safety notices
ATTENTION
► Only qualified electricians, who have been trained by the manufacturer may carry out
any repairs on electrical equipment.
► Improperly performed repairs may result in personal injury or damage to the device.
21.2 Troubleshooting
The device does not work:
- Check that the cable is properly plugged into the wall socket
- Check cable for damage.
- Verify that the wall socket works with another device.
21.3 Troubleshooting table
The digital display is lit, but the device does not start the cooking program and displays
an error code instead:
Possible Causes
Solution
Error
Code
E1
1. Cooking vessel is empty
Fill clean water up to above the “MIN”
level. Press
to start the device
again. If the device should indicate “E1” in
the LED display after switching on even
though the water filled in is above the
minimum level, please add some salt to
the water and stir well.
2. Water too low
Fill clean water up to above the “MIN”
level.
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