Polycom 1725-16824-001 manual Troubleshooting Display Issues, Settings on

User Guide for the Polycom VVX 1500 D Phone

Troubleshooting Display Issues

Symptom	Problem	Corrective Action
There is no display.	Power is not correctly applied to	• Check that the display is illuminated.
The display is incorrect.	the phone.	• Make sure the LAN cable is inserted
The display has bad contrast.		properly at the rear of the phone (try
		unplugging and re-inserting the
		cable).
		• If using Power over Ethernet (PoE),
		have your system administrator check
		that the switch is supplying power to
		the phone.
	Outbound or inbound calling is	• Place a call to the phone under
	unsuccessful.	investigation. Check that the display
		indicates incoming call information.
		• Lift the handset. Ensure the dial tone
		is present and place a call to another
		extension or number. Check that the
		display changes in response.
The display flickers.	A certain type of older	• Move the phone away from the lights.
	fluorescent lighting causes the	• Replace the lights.
	display to appear to flicker.
The touch screen turns off too	The phone’s power saving	Adjust the phone’s power-saving settings
frequently.	settings are not set correctly.	(for example, office hours, timeouts, and
The touch screen is always off		user detection settings). For more
		information, see Updating Power Saving
when I arrive at work.
		Settings on page 2-36.
The screen saver no longer	The USB flash drive has been	• Make sure the USB flash drive is
displays.	removed.	correctly attached to your phone. For
	The Screen Saver setting has	more information, see Connecting an
		Optional USB Flash Drive on page
	been disabled.
		1-9.
		• Make sure the Screen Saver setting
		is enabled. For more information, see
		Setting Up a Screen Saver on page
		2-10.

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