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Turn on main power to the sign.
If LED
the LED MODULE #5
and the cable from the
normally.
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
Turn off main power to the sign. Wait five minutes for the high voltage to dissipa
Power Supply Output Voltage measures less than 30
return cable connector with the
LED MODULE
cable connector into the output
connector housing
If the sign does not light at all,
then replace
output connector of
LED MODULE
repeat the test as described in this
section.
10.10 Replacing an
LED MODULE
In the case where an
LED MODULE
INSTRUCTIONS FOR REPLACING AN
The following instructions assume that the sign front face is removed and that
MODULE
has been previously identified
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
1.
Turn off power to the sign by turning off the corresponding Constant Curre
power. (WARNING: W
ait five minutes after sign power is turned off
will allow any residual high voltage
Instruction Manual
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
15
If LED
MODULES #1 to #5 mome
ntarily light and then turn off,
and the cable from the
LED MODULE #4 to the
LED MODULE
WARNING:
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
Turn off main power to the sign. Wait five minutes for the high voltage to dissipa
te. Verify that
Power Supply Output Voltage measures less than 30
-VDC, as described above.
Replace the
LED MODULE
#5 output cable connector.
Replace the
connector housing
of the 6
th
LED MODULE.
then replace
the LED MODULE #5
and/or the cable connecting from the
LED MODULE
#4 to the input of LED MODULE #5
(see Section 10.
section.
LED MODULE
LED MODULE
has failed and needs to be replaced use the following instructions:
INSTRUCTIONS FOR REPLACING AN
LED MODULE
The following instructions assume that the sign front face is removed and that
the failed
has been previously identified
.
WARNING:
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
Turn off power to the sign by turning off the corresponding Constant Curre
nt Regulator (CCR)
ait five minutes after sign power is turned off
to service the sign
will allow any residual high voltage
stored in Power Supply
PCB components to
DOCUMENT 1025
REV. B
ntarily light and then turn off,
then
LED MODULE
#5 are operating
Failure to turn off power to the sign and wait five minutes could result
te. Verify that
Replace the
black
Replace the
black return
and/or the cable connecting from the
(see Section 10.
10). Then
has failed and needs to be replaced use the following instructions:
the failed
LED
Failure to turn off power to the sign and wait five minutes could result
nt Regulator (CCR)
to service the sign
. This
PCB components to
bleed off.)