LCD Problem on SPA9XX Phone Document ID: 108986 Contents IntroductionI have a blank screen on my SPA9XX LCD, what is the problem?Related Information Introduction This article is one in a series to assist in the setup, troubleshooting, and maintenance of Cisco Small Business products (formerly Linksys Business Series). Q. I have a blank screen on my SPA9XX LCD, what is the problem? A. Step 1: Check that the unit is using the correct power adapter (5Volts, 1Ampere rating). Step 2: Check if IP phone is plugged−in to a known working power outlet. Step 3: If the SPA9XX LCD screen still shows no display, then the unit is considered to be defective. Contact Support for replacement of the product. Related Information • Technical Support &Documentation − Cisco Systems Updated: Dec 12, 2008 Document ID: 108986