Installation Manual

Troubleshooting 8-133
Height Sensor PIO 96 Signal Verification
1. Locate
U22 on the Main Interface PWA.
2. Measure the VDC at Pin 3 and test point TP 2 while the Height Sensor probe is Disarmed (up) and
when it is Armed (down).
3. Is the reading 5 VDC for the Armed state and 0 VDC for the Disarmed state?
Contact Asymtek Technical Support
Go to Step 4
4. Locate Connector J5 on the Main Interface PWA.
5. Ensure that Ribbon Cable (P/N 19332) is securely connected to the PIO 96 Board.
6. Measure the VDC at Pin 15 and test point TP 2 while the Height Sensor probe is Disarmed (up) and
when it is Armed (down).
7. Is the reading 5 VDC for the Armed and 0 VDC for the Disarmed state?
Contact Asymtek Technical Support
The PIO 96 Card (P/N 59-6070) has failed. See
Parts Replacement section.
No
Yes
No
Yes