Daktronics FB-2500 Series, Руководство по обслуживанию, Страница: 7 / 48

Troubleshooting
3
2 Troubleshooting
Disconnect power before doing any repair or maintenance work on the display�
Permit only qualified service personnel to access internal display electronics.
Disconnect power when not using the display�
Troubleshooting Table
This section lists potential problems with the system, indicates possible causes, and
suggests corrective action. This list does not include every possible problem, but it does
represent some of the more common situations that may occur.
Problem Possible Cause Solution/Items to Check
Display does not light,
and console does not
work
No power to the display
Check that the main circuit breaker for the
display is on.
Check that the display is receiving 100-240
VAC power.
No power to the control
console
Ensure the console is plugged into a 120 or
240 VAC power supply.
Exchange the console with a working one,
and enter the correct sport code and/or
radio settings to test. Replace console if
necessary.
Display digits do not
light, but console works
No wired signal from
control console
Check that the display is receiving 100-240
VAC power.
Check that the red
DS5 LED on the driver
lights up when sending commands from
the console. See LED Drivers (p�8) .
No radio signal from
control console
Verify that both the console and display
antennas are securely tightened and in a
vertical position.
Keep the console 20–1500' (6–457 m)
away from the display. Check that the
green POWER and amber RADIO IN RANGE
indicators on the radio receiver in the
display light up when the control console
is powered on. Refer to Radio Connections
(p�14) . Move the console 20–30' (6–9 m)
from the display and test again.
Replace the radio receiver.
No signal to driver
Check that the display is receiving 100-240
VAC power.
Check that the red
DS5 LED on the driver
lights up when sending commands from
the console. See LED Drivers (p�8) .
Exchange the driver with a working one of
the same part #. Replace if necessary. See
LED Drivers (p�8) .
No power to driver
Check that the red DS8 LED on the driver
remains lit up when the display is powered
on. See LED Drivers (p�8) .