Panasonic KXTA30820 Installation Manual - Page 344
Installation
UPC - 037988850709
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6.1 Installation PROBLEM Extension does not operate. Improper reset operation. Noise during external paging. Volume distortion from external music source. Speed Dialing or OneTouch Dialing does not function. A proprietary telephone connected to extension jacks 01 through 08 does not operate, but a single line telephone operates. PROBABLE CAUSE POSSIBLE SOLUTION Something is wrong with the connection between the system and extension. Take the extension and plug it into the same extension port using a short telephone cord. If the telephone works correctly, the connection between the system and the extension must be repaired. A telephone with an A-A1 relay is connected. Use a 2 wire cord. Set the A-A1 relay switch on the telephone to the "OUT" or "OFF" position. Something is wrong with the extension. Take the extension and plug it into another extension port that is working. If the telephone does not work, replace the phone. Turn the Power Switch off and on. Induced noise on the wire between the system and the amplifier. Use a shielded cable as the connection wire between the system and amplifier. A short shielded cable is recommended. Excessive input level from external music source. Decrease the output level of the external music source by using the volume control on the music source. Wrong programming. Enter an outside (CO) line access number (9, 81 through 83) in programming. An extension (H, L) jack 01 through 08 may have been shorted. Turn the Power Switch off and fix the shorted part, then turn the Power Switch on. 6-2 Troubleshooting