Descaling
Regular descaling prolongs the life of the appliance and guarantees optimal brewing results for a
long time. the appliance measures the amount of scale and notifies you when the appliance needs
to be descaled.
HD7690: The word CALC appears on the display when you need to descale the
appliance (Fig. 21).
HD7692/HD7686: The yellow descaling light goes on when you need to descale the
appliance (Fig. 22).
To descale the appliance, perform the following steps:
1
Fill the water tank with white vinegar (4% acetic acid). Do not put a filter and ground coffee
in the filter holder.
2
Let the appliance complete two brewing cycles.
See chapter ‘Using the appliance’. Let the appliance cool down for 3 minutes before you start the
second brewing cycle.
3
Let the appliance complete two more brewing cycles with fresh, cold water to remove all
vinegar residues.
You can also use an appropriate liquid descaler. In this case, follow the instructions on the
package of the descaler.
Do not use a descaling powder.
4
Clean the separate parts (see chapter ‘Cleaning’).
replacement
You can order a new glass jug from your Philips dealer or a Philips service centre under type
number HD7985/30 (dark grey) or HD7986/90 (black).
You can order a new thermos jug from your Philips dealer or a Philips service centre under type
number HD7988/90.
environment
Do not throw away the appliance with the normal household waste at the end of its life, but
hand it in at an official collection point for recycling. By doing this, you help to preserve the
environment (Fig. 23).
guarantee & service
If you need information or if you have a problem, please visit the Philips website at
www.philips.com
or contact the Philips Customer Care Centre in your country (you find its phone number in the
worldwide guarantee leaflet). If there is no Customer Care Centre in your country, go to your local
Philips dealer or contact the Service Department of Philips Domestic Appliances and Personal
Care BV.
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