Troubleshooting
No Display or Incorrect Display
•If using an AC wall adapter make sure the DC jack is properly con- nected at the rear of the telephone.
•If using inline powering from a switch or hub, check that the switch/hub is correctly supplying power to that particular port (con- tact your System Administrator)
•If the idle display is not similar to that shown on Page 4, try reboot- ing the telephone (See Page 16) or cycling power and allow the unit to reboot. Contact your System Administrator if the display still shows problems.
No Dial Tone
•Make sure that the handset cord fits the handset and the jack on the rear panel correctly.
•Switch between Handset, Head- set (if connected), and Handsfree Speakerphone Modes to try to ob- tain dial tone on these other paths.
•Make sure that the LAN cable is inserted properly at the rear of the telephone
No Ringing
•Adjust the ringing level from the front panel using the volume up/ down keys.
•Place a call to the unit from a known working telephone. Check for incoming ring signal.
No Audio on Headset
•Ensure the headset is plugged into the jack marked Headset on the rear panel.
•Swap the handset into the headset jack (or
•Ensure the headset amplifier (if connected) is turned on and/or the volume is correctly adjusted. If the amplifier is equipped with batteries, check that they are fully charged.
No Response from Key Presses
•Some keys are inactive when the telephone is not in a call. Check for a response from other feature keys or from the dial pad.
•Place a call to the unit from a known working telephone. Check for display updates.
•To check if the telephone is cor- rectly registered to the server, press
Menu followed by System Status and Server Status.
•Contact your System Administrator before attempting to reboot your telephone, since this may allow more detailed troubleshooting to occur before losing any current status information.
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