How to troubleshoot Security Escort Receiver LEDs Not Working

[#1]

Probable Cause:

1. LEDs not positioned behind viewing lens.
2. Jumpers in Off position on receiver.
3. Bad receiver.

Possible Solution:

1. Remove cover, stragten LEDs replace cover carefully so LEDs are positioned behind viewing lens. Use Maintenace Transmitter on test and alarm after installing cover to check visibility of the LEDs.
2. Remove cover, check jumpers to right of sounder above Red LED and make sure jumpers P2 and P3 are on.
3. After performing steps A and B above and LEDs still do not operate on test or alarm, replace the receiver.