Panasonic KX-TA624-5 Analog Pbx - Page 233

5 Appendix Troubleshooting If a power failure occurs... Your system enables a conversation between a specific outside (CO) line and extension (Power Failure Transfer) and supports system data backup. Power Failure Transfer A specific extension can be automatically connected to a specific outside (CO) line. This provides outside (CO) line calls between the following extension and outside (CO) line. Outside (CO) line 1 is connected to extension jack number 01. Outside (CO) line 4 is connected to extension jack number 09. • All other conversations will be disconnected during a power failure. • Proprietary telephones (PT) cannot be used during a power failure. A single line telephone will work in the event of a power failure. Connect the single line telephone to the above jack. • When power is restored after a power failure, your system automatically restarts, maintaining as much of the previous system data as possible. Problem Nothing is heard in the hands-free mode. The unit does not ring. The display flashes the following message. Set Time & Date Probable Cause The "Headset" mode is selected. Possible Solution When the headset is not used, set the mode to "Handset". Refer to "Initial Settings" (Section 1.1). • An outside (CO) line number is not programmed. • The Ringer Volume is set to "OFF". • To program outside (CO) line numbers, refer to the Installation Manual. • Increase the Ringer Volume. Refer to "Initial Settings" (Section 1.1). The system internal clock is Consult with an authorized not working properly. Panasonic Factory Servicenter. Appendix 5-13