ADEMCO Vista-10SE Installation And Setup Manual page 16

VISTA-10SE Installation and Setup Guide
If the "Ready" message is not displayed on any of the keypads in the system, or a "Not
Ready" message is displayed, check the keypad wiring connections, and make sure each of
the 6 basic hardwired zones has a 1000 ohm resistor connected across its terminals.
Do not remove the EOL resistors until you are ready to make connections to the hardwired
zones, to allow for testing later in the manual.
If an OC or OPEN CIRCUIT display is present on the keypad, data from the control is not
reaching the keypad. Check the wiring.
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