Check to see if the keypad is 'lockedout'. If there is a 'key' icon in the display, then the keypad is locked and you will have to hold down the 'lock' key until you hear a beep and the 'key' goes away. Then you should be able to operate all the pushbuttons again. Okay?
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Check to see if the keypad is 'lockedout'. If there is a 'key' icon in the display, then the keypad is locked and you will have to hold down the 'lock' key until you hear a beep and the 'key' goes away. Then you should be able to operate all the pushbuttons again. Okay?