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DOCUMENT 1025
REV. B
Instruction Manual
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
9
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
MODULE(s) (See Sec 10.10)
(P.10) Upon
applying power,
sign
momentarily
lights and then
turns off.
Incorrect LED Power Supply
Circuit Board Switch
Configuration
Verify/Set Power Supply
Board Switches and jumpers
are set according to Table 1
(Ferro CCR) or Table 2 (Series
CCR)
(P.11) Upon
applying power,
sign
momentarily
lights and then
turns off.
LED MODULE Voltage has
dropped 25% below the calibrated
output voltage (See Table 12).
Replace any LED
MODULE(s) with non-lit
LEDs and re-calibrate the LED
Power Supply. (See Sections
10.10 & 10.11)
(P.12) Upon
applying power,
sign
momentarily
lights and then
turns off.
LED MODULE Voltage is greater
than 125% of the expected
calibrated output voltage (See
Table 12).
Verify/Set Power Supply
Board Switches and jumpers
are set according to Table 1
(Ferro CCR) or Table 2 (Series
CCR)
(P.13) Sign
flickering
Incorrect LED Power Supply
Circuit Board Jumper Setting.
Verify/Set Jumpers JP1 and
JP2 according to the Table 1
(FERRO CCR) or Table 2
(Series CCR)
(P.14) Sign
flickering
Incorrect Isolation Transformer Replace with Isolation
transformer that matches sign
type, size, #modules. (See
Tables 3-8)