5.1 Troubleshooting270 Troubleshooting5.1 Troubleshooting5.1.1 InstallationPROBLEM PROBABLE CAUSE POSSIBLE SOLUTIONExtension does not operate. Bad printed circuit board(Extension Card).Exchange printed circuit board foranother printed circuit board.Bad connection between thesystem and extension.Take the extension and plug it into thesame extension port using a shorttelephone cord. If the telephone does notwork, the connection between thesystem and the extension must berepaired.A telephone with an A-A1relay is connected.Use a 2 wire cord.Set the A-A1 relay switch of thetelephone to the "OUT" or "OFF"position.Bad extension. Take the extension and plug it intoanother extension port that is working. Ifthe telephone does not work, replace thephone.Improper reset operation. Press the Reset Button.Noise in external paging. Induced noise on the wirebetween the system and theamplifier.Use a shielded cable as the connectionwire between the system and amplifier.A short shielded cable is recommended.Volume distortion fromexternal music source.Excessive input level fromexternal music source.Decrease the output level of the externalmusic source by using the volumecontrol on the music source.Speed Dialling or One-TouchDialling does not function.Bad programming. Enter the CO line access number (9:[BX], [NZ], [CN], [HK], 0: [SA], 801through 848) into programming.
