
Carmanah Technologies Corp. | 250 Bay St, Victoria, BC V9A 3K5, Canada | 1.250.380.0052 |
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SPEEDCHECK-15/18 USER MANUAL
8.0 TROUBLESHOOTING
8.0 Troubleshooting
Symptom
Possible Cause and What to Check
No operation or
erratic operation
1. Verify voltage supply connections are correct and tight.
2. Verify fuses in the fuse blocks and inline fuse holder are of the correct rating.
•
Solar input and battery fuse:
15A
•
SpeedCheck DC supply fuse:
4A
•
SpeedCheck AC input fuse:
0.5A
•
All fuses are type (250V 3AG 1/4" x 1-1/4")
3. On programmable boards, ensure the coin cells show at least 2.7V each, are
replaced.
Not all vehicle
speeds
displayed
1. Verify the display has correct alignment with the roadway. See
Display Sign Alignment.
2. Check the high-speed cut-off setting. It may be set too low for the prevailing
traffic speed.
3. Check the minimum display speed setting. It may be set too high for the
prevailing traffic speed.
4. Note that the SpeedCheck display signs are designed to detect moving vehicles,
including trucks and golf carts, but will ignore people or small targets.
5. The display may be angled slightly towards the center line of the road to focus
on vehicles closer to the display. Detection range may vary depending on target
size, such as a truck versus a compact car.
Sign displays
test sequence
only upon start
up
1.
Display may be set to “OFF” in the “Operating Modes” menu of the SpeedCheck
Manager software.
2. Timer or scheduler has been set to collect data but not display speeds. Set the
program as desired.
3. Radar is not sending data. Contact Carmanah for further diagnostics.
No test
sequence and
no speeds
displayed
1. Key switch if used is in the OFF position, fully Counterclockwise (CCW).
2. Coin cell batteries are dead on programmable boards. Below the batteries is a
very small LED indicator light that blinks continuously when the power is
disconnected or off. If the small LED is not blinking when power is off, replace
with two CR2032 batteries. Remember to reset time and date and check all sign
programming.
3. Controller board may have a jumper on the power bypass pins just to the left of
display cables 1 and 2 which enables operation without coin cells.
4. Power to display is OFF.
5. Test sequence is disabled.
6.
Operating Modes settings set for “Display OFF”.
7. Timer or scheduler has scheduled the sign to be off.