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In order to remove any possible scale-marks, do not use products containing salt or sulphuric acid;
suitable products are to be found in the market or, alternatively, a solution diluted in acetic acid can
be used.
While cleaning the appliance, do not use inflammable liquids.
Abnormal functioning
If for any reason, the appliance does not start or stops working during use, check that the energy
supply and the control knobs are set correctly; if all is regular, call customer service.