VTSS Siren Inop (Export Only)

Test 1 - 4:

Test 5:

SYMPTOM
VTSS SIREN INOP (EXPORT ONLY)

POSSIBLE CAUSES
- Intermittent condition
- Siren fused B(+) circuit open
- Siren signal control circuit open
- VTSS siren
- Open ground circuit
- Thatcham alarm module - internal malfunction