Maintenance and Troubleshooting
43
Display Troubleshooting
This chart lists some symptoms that may be encountered with the displays. For each
symptom, possible causes and corrective actions are indicated. This list does not include
every possible problem but does represent some of the more common situations that
may occur.
Symptom/Condition
Possible Cause
Possible Solution
Entire display and/or
face will not enter boot
cycle on power up
Power incorrectly installed
Check the power LED (DS7) on all
drivers. If not lit, connect power as
described in
Multiple-line sign with all
lines showing the same
prices, or data appears
on the wrong line
Display line addressing not set
correctly
Set a different line number for each
display on each face. Refer to
and
along with the
communications quick guides to set
correct display address.
Garbled display
Driver malfunction
Check driver to make sure signal
cables are routed to the correct digits.
Cycle power to the display.
Replace the driver.
Digit malfunction
Replace the digit.
Digit will not light
Cable to the digit broken or
disconnected
Check cable by switching it to a
different driver output.
Replace the cable.
Poor contact at driver
connection
Clean the contacts.
Driver malfunction
Replace the driver.
Digit malfunction
Replace the digit.
Segment or several LEDs
will not light
Poor contact at driver
connection
Clean the contacts or replace the
harness.
Broken or disconnected cable
between driver and digit.
Replace the cable.
Broken LEDs
Replace the segment or digit.
Display shows a default
price
The price has not changed
Use the control method to set the
price on the display.
Содержание FUELIGHT FL-3000 Series
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