19
Troubleshooting:
Please note: - the troubleshooting guide below is not an exhaustive list and any work
carried should be done so by an electrically competent person.
Problem
Possible solutions
No siren tone output
Check Controller is switched on
Check power to siren
Check ignition feed to siren
Check if fuse blown
Check speaker connected
Check run input connected (if required)
Check interlock input connected (if required)
Fuse blown
Check cabling for shorts, particularly wires passing through
panels
Replace fuse
Fuse Keeps blowing
when starting a tone
Check speaker cables for shorts
Check speaker resistance (should be 4.4R ± 1R)
Try running without speaker connected (tone should be
audible at siren amplifier, without blowing fuse)
Overheated fault
indicated
Wait for siren to cool and operation should resume.
Check that siren has sufficient air gap to allow for air flow.
Ensure that siren is fitted away from other equipment that
may get hot.
Under Voltage fault
indicated
Check correct voltage version of siren is fitted
Check battery voltage (may be below minimum)
Charge battery or try with engine running
Check cabling is rated correctly (if under rated may have a
voltage drop down line)
Check ground return to battery (ground could be unstable)
Check alternator connection to battery (could be loose)
Over Voltage fault
indicated
Check correct voltage version of siren is fitted
Check battery voltage (may be over charged)
Check alternator is attached to battery correctly
Over Current fault
indicated
Check speaker resistance (should be 4.4R ± 1R)
Check speaker cable for shorts
Check alternator connected to battery
Check power to siren (could be unstable, due to alternator
problem, grounding, cabling or another device fitted to
vehicle)
D00217-00-A
REL: 39983
