Panasonic KX-TG8421FX Operating Instructions Manual

Also see for KX-TG8411FX: Quick guide

Useful Information56Battery rechargeMaking/answering calls, intercomI cannot register a handset to abase unit.L The maximum number of base units (4) isalready registered to the handset. Cancelunused base unit registrations from thehandset (page 33).L The maximum number of handsets (6) isalready registered to the base unit. Cancelunused handset registrations from the baseunit (page 33).L You entered the wrong PIN. If you forget yourPIN, contact your nearest Panasonic servicecentre.L Place the handset and the base unit awayfrom other electrical appliances.Problem Cause/solutionThe handset beeps and/or )flashes.L Battery charge is low. Fully charge thebatteries (page 11).I fully charged the batteries, but) still flashes.L Clean the charge contacts and charge again(page 12).L It is time to replace the batteries (page 11).I fully charged the batteries, butthe operating time seems to beshorter.L Clean the battery ends (S, T) and thecharge contacts with a dry cloth and chargeagain.Problem Cause/solutionw is flashing. L The handset is too far from the base unit.Move closer.L The base unit’s AC adaptor is not properlyconnected. Reconnect AC adaptor to thebase unit.L You are using the handset or base unit in anarea with high electrical interference. Re-position the base unit and use the handsetaway from sources of interference.L The handset is not registered to the base unit.Register it (page 32).Problem Cause/solutionTG8411-8421FX(e).book Page 56 Tuesday, March 3, 2009 2:54 PM