Cooper Bussmann 858 - Manual (Page 18)

DOCUMENT 1025
REV. H
Instruction Manual
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
9
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
(P.7) Sign will
not light Output Electrical Open Circuit
(See Table 12) Verify LED cable connectors
are properly seated in their
respective receptacles; reseat if
necessary (See Sections 10.5 &
10.6)
(P.8) Sign will
not light LED MODULE(s) mounted/wired
incorrectly Verify that LED MODULES
are mounted and wired
according to LED Array
Wiring Diagram. (See Figures
7-11 and Sections 10.7-10.9)
(P.9) Sign will
not light LED MODULE(s) open circuit
failure (Assumes P.7 Action taken) Replace suspected open circuit
LED MODULE with spare
known good LED
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