Internal Ultrasonic Fault (Export)

Test 1:

Test 2 - 6:

Test 7 - 11:

Test 12:

SYMPTOM
INTERNAL ULTRASONIC FAULT (EXPORT ONLY)

WHEN MONITORED
During the initial 6 seconds of an ignition on cycle.

SET CONDITION
After 5 consecutive ignition cycles without detecting any ultrasonic movement.

POSSIBLE CAUSES
- Front intrusion sensor
- Front intrusion sensor signal circuit open
- Front sensor ground circuit open
- Intrusion sensor detection
- Rear intrusion sensor
- Rear intrusion sensor signal circuit open
- Rear sensor ground circuit open
- Thatcham alarm module - front sensor ground
- Thatcham alarm module - front sensor signal
- Thatcham alarm module - internal
- Thatcham alarm module - rear sensor ground
- Thatcham alarm module - rear sensor signal