17. Servicing and cleaning
Checkthetechnicalsafetyoftheproductsuchasdamagetothehousingatregularintervals.
Whenitcanbeassumedthatsafeoperationisnolongerpossible,theproductmustbeputout
ofserviceandprecautionstakentoensurethatitisnotusedunintentionally.Removethebat-
teries.
Itmustbeassumedthatsafeoperationisnolongerpossibleif
• thedeviceshowsvisiblesignsofdamage
• thedevicenolongeroperatesand
• hasbeenstoredforlongperiodsunderunfavourableconditionsor
• hasbeensubjectedtoconsiderablestressintransit.
Please note:
Theproductisabsolutelymaintenance-freeforyou.Therearenocomponentsonthe
insideoftheproducttobecheckedorservicesbyyou.Neveropenit(exceptforthe
replacementofbatteriesdescribedintheseoperatinginstructions).
Cleantheproduct withaclean,softcloth.Toremoveseverecontamination,theclothcanbe
dampenedwithluke-warmwater.
Makesurethatnoliquidscanenterthedoorlockactuatorortheradioremotecontrol
asthedevicecouldbedestroyed.
Neverusechemicaldetergentsastheycouldattacktheplasticofthehousing(discol-
oration).