Woodway Engineering Ltd
Lower Road, Barnacle
Coventry, CV7 9LD
United Kingdom
Tel: +44 (0) 24 76 841750
Fax: +44 (0) 24 76 621796
www.woodwayengineering.com
I N S T A L L A T I O N G U I D E
7
Troubleshooting
PROBLEM
POSSIBLE CAUSE(S)
SOLUTION(S)
Total system failure.
Blown fuse.
Check power supply and connections to modules.
•
Single Switch Operation on handset is
ok, but multiple switch operation fails or
causes system shutdown.
•
Light bar control failure.
Communications fault.
•
Check data link connections are secure.
•
Check inputs and cable ends are clean.
Low Voltage.
Check battery voltage has not dropped below 12V
•
Red LED illuminated on Output/Receiver
module.
•
When selecting more than one switch
function, some lights are on, others are
not.
•
Light operation appears to be ‘haywire’
Excessive current
draw on one or more
channels (maximum
working current is
0.5amps (500mA) per
channel).
To locate the faulty channel, operate each switch
individually until the Red LED illuminates.
•
Check for short circuit in wiring.
•
Check for faulty equipment.
If problem still persists, replace Output/Receiver
Unit.
No output from Output/Receiver. ‘Data OK’
LED is not flashing.
Communication fault.
Check data link connections are secure. Check
fuse. Check voltage. Check switch panel is plugged
in. Is the switch panel damaged or otherwise non
functional?
High pitch ‘whistle’ from the speaker on PA
operation.
Volume set too high.
Turn the volume down on the keypad.
Keypad and speaker
too close together.
Increase the physical separation between the
keypad and the speaker.
The Keypad LED is flashing.
Low Voltage.
Check that the voltage is healthy.
For 12V system = >12V
The Keypad LED is permanently on and the
system is not functioning.
Internal eprom fault.
Replace keypad.
One or more switches will not remain on
Switches are set for
momentary operation.
Reset the switches to latching operation.
Pressing one switch ‘On’ turns the previous
one ‘Off’.
Switches are set to ‘self-
cancelling’.
Reset the switches.
When selecting ‘360’ the light bar is not
functioning.
Switches are incorrectly
set.
For the ‘360’ to function correctly when connected
to a Woodway light bar only SW1 can be used as
360 and the ‘Special Strobe Function’ must be set.
Switch panel cannot be programmed.
Keypad has lockout still
enabled.
Disable lockout.
When activating external 999, the program
activates then immediately goes to arrival
mode. When 999 is held, a long tone is heard
The highways agency
mode needs turning
off.
Toggle highways mode to off.
