Daktronics BB-2160, Руководство пользователя

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Troubleshooting
7
4 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 device, 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 control enclosure is
receiving 120 or 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 control enclosure is
receiving 120 or 240 VAC power.
Check that the red
DS3 LED on the driver
lights up when sending commands from
the controller. Refer to LED Driver (p�9) .
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 20–500' (6–152 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. 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 control enclosure is
receiving 120 or 240 VAC power.
Check that the red
DS3 LED on the driver
lights up when sending commands from
the controller. Refer to LED Driver (p�9) .
Exchange the driver with a working one
of the same part #. Replace if necessary.
Refer to LED Driver (p�9) .
No power to driver
Check that the green DS2 LED on the driver
remains lit up when the display is powered
on. Refer to LED Driver (p�9) .
Bad power supply
Exchange the power supply with a working
one of the same part # to verify the
problem. Replace if necessary.