Useful Information46 Helpline Tel. No.: U.K. 08700 100 076 R.O.I. 01289 8333Static is heard, sound cuts in andout. Interference from otherelectrical units.L Place the handset and the base unit away fromother electrical appliances.L Move closer to the base unit.L Your unit is connected to a telephone line with DSLservice. We recommend connecting a filter (contactyour DSL service provider) to the telephone linebetween the base unit and the telephone line jack.Noise is heard during a call. L You are using the handset or base unit in an areawith high electrical interference. Place the handsetand base unit away from interference sources, suchas antennas and mobile phones.The handset/base unit stopsworking while being used.L Disconnect the AC adaptor and turn off thehandset. Connect the AC adaptor, turn on thehandset and try again.Pressing B does not display/dialthe last number dialled.L The redialled number was more than 24 digits long.Redial the number manually.Mute does not turn off after the lineis connected.L Press {C/T}.The handset beeps intermittentlyand/or 3 flashes.L Fully charge the batteries (page 10).I fully charged the batteries, but3 still flashes.L Clean the charge contacts and charge again (page10).L It is time to replace the batteries (page 10).Caller information is not displayed. L You must subscribe to Caller ID service.L Your unit is connected to a telephone line with DSLservice. We recommend connecting a filter (contactyour DSL service provider) to the telephone linebetween the base unit and the telephone line jack.While viewing caller information,the display returns to standbymode.L Do not pause for over 1 minute while searching.I cannot register a handset to abase unit.L The maximum number of base units (4) are alreadyregistered to the handset. Cancel unused base unitregistrations from the handset (page 38).L The maximum number of handsets (6) are alreadyregistered to the base unit. Cancel unused handsetregistrations from the base unit (page 38).L You entered the wrong PIN number. If you forgetyour PIN, see “I cannot remember the PIN.” (page47).L Place the handset and the base unit away fromother electrical appliances.Problem Cause & solutionTG8100-8120E(e).book Page 46 Friday, March 3, 2006 10:34 AM