PIN Pad Conditions

ERROR MESSAGE	POSSIBLE CAUSE	STEPS TO INVESTIGATE/RESOLVE
PIN Pad is blank or unresponsive	Touch screen may require calibration.	To perform a touch screen calibration, follow this procedure: Login to Verifone System Mode (see Chapter 2). Select the Administration tab, then the Touch Panel tab. Follow the directions on the display to perform manual touch screen compensation.
PIN Pad is blank or unresponsive (after calibration)	Unknown	Disconnect the Power Pack connector from the Verifone multiport connector. Wait 10 seconds reconnect the Power Pack connector. Validate the screen and buttons respond. Run a test transaction to verify proper operation.