920-0655-00 Rev B
Page 5 of 8
TROUBLESHOOTING:
All products are thoroughly tested prior to shipment. However, should you encounter a problem during installation
or during the life of the product, follow the guide below for troubleshooting and repair information. If the problem
cannot be rectied using the solutions given below, additional information may be obtained from the manufacturer
– contact details are at the end of this document.
PROBLEM POSSIBLE CAUSE SOLUTION
Fuse Blows ¹
Wires short circuit Check power and ground for short circuits
Faulty unit
If fuse continues to blow after checking the
wiring replace the product
Unstable operation HazCAN wiring fault
Check wire colours match the label positions on
siren unit
¹ Note: Always replace the fuse with the same value as shown on the wiring diagram