Daktronics WR-2101, Руководство пользователя

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Troubleshooting
6
3 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 120-240
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 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 120-240
VAC power.
Check that the red DS5 (or DS2) LED on the
driver lights up when sending commands
from the controller; see LED Drivers
(p.7) .
No signal to driver
Check that the display is receiving 120-240
VAC power.
Check that the red DS5 (or DS2) LED on the
driver lights up when sending commands
from the controller. See LED Drivers
(p.7) .
Exchange the driver with a working one of
the same part #. Replace if necessary. See
LED Drivers (p.7) .
No power to driver
Check that the red DS8 (or green DS1)
LED on the driver remains lit up when the
display is powered on. See LED Drivers
(p.7) .
Display digits light, but
not in the correct order
Incorrect sport code
Ensure the correct sport code is being
used for the display model. Refer to the
appropriate console operation manual.
Incorrect driver address
Ensure all drivers are set to the correct
address. See Setting the Driver Address
(p.9) .
Digits light, console
works, but nothing
displays
No wired signal from
control console
(see solution above)
Bad/damaged field
wiring
Check that the red DS5 (or DS2) LED on the
driver lights up when sending commands
from the controller. See LED Drivers
(p.7) .