22EnglishProblem ActionThe shaving sensor doesnot respond.Depending on the beard thicknessor the amount of beard trimmingsin the shaver head, the shavingsensor may not react and thedriving sound may not change.This is not abnormal.The shaving sensor may notrespond depending on the typeand quantity of the shaving gel.This is not abnormal.The shaving sensor may notrespond when the remainingbattery capacity is low. If thishappens, recharge the shaver.The shaving sensorresponds even though theshaver is not in contactwith the skin.Clean the beard trimmings fromthe shaver.When the shaver is extremelydirty, remove the foil frame andwash with water.(See page 16.)Replace the system outer foil and/or inner blades.Expected life of system outer foiland inner blades:System outer foil:Approximately 1 yearInner blades:Approximately 2 yearsOperating time is shorteven after charging.When the number of operationsper charge starts to decrease, thebattery is nearing the end of its life.Problem ActionShaver does not operateeven after charging.The appliance may not operate inan ambient temperatureapproximately 5 °C (41 °F) orlower.The battery has reached the endof its life.The shaver will not operate withthe AC adaptor connected. Pleaseuse the shaver after it has beensufficiently charged and the ACadaptor disconnected.The driving soundchanges while shaving.The shaving sensor is operating.The sound changes depending onthe beard thickness.Makes a loud sound.The shaver makes a high‑pitchedsound due to the linear motor drive.This does not indicate a problem.Confirm that the blades areproperly attached.The odor is gettingstronger.This can be improved by cleaningevery time after shaving.Shavings fly out in alldirections.This can be improved by cleaningevery time after shaving.System outer foil gets hot.Replace the system outer foil if itis damaged or deformed.(See page 17.)