PTI VP - Test Power and Communication

VP Keypad Access Device
34
114A3868.E rev. 7-2017
Test Power and Communication
1
Does the VP Access Device have Power?
Check the display of the VP. If the display is on, or if any of the
LEDs on the board are on, the board has power. If there is no
indication of power from the display or LEDs, use a volt meter to
check for the presence of voltage on connector P1 pins 1 & 3, (or
P1 pins 1 & 2 if using AC power)
Yes – Proceed to step 2
No – Check Power
Supply and Wiring and
retest or see Multiple
Device Problems
2
Is the voltage at the VP, connector P1 pins 1 & 3 (1 & 2
for AC), greater than 12 Volts?
(Use a volt meter to measure the voltage).
Yes – Proceed to step 3
No – Check Power Supply
and Wiring and retest