DOCUMENT 1331
REV. A
Instruction Manual
PRO AFP Series LED
Inset Runway Guard Light L-852G
19
Fault conditions include:
•
Disconnected or ‘Open’ LED module
o
Replace cable if damaged or ‘open’.
•
Incorrect jumper setting or missing jumpers
o
See Figures 4 and 5 for proper jumper setting.
•
More than 25% of the driven LED ‘Shorted’
o
Replace LED module per Section 10.4.
Figure 2: Power Supply Status LED Location
If the status LED is not visible or not lit, replace the power supply per Section 10.9.3 or contact Crouse-
Hinds Airport Lighting Products for assistance.
10.9.3 Power Supply Replacement
CAUTION:
CAUTION
Power supply is hot when light unit is energized and remains hot for a short
time after light unit is turned off.
Refer to Table 1 to determine the appropriate Power Supply replacement for your light unit.
REMOVE and SECURE power to the light unit.
Separate the optical assembly from the support
ring by removing the two bolts. There are two pry slots in the optical housing to help separate the
optical assembly from the support ring. Disconnect the light unit lead from the isolation transformer.
Turn the optical assembly upside down and remove the four screws holding the inner cover to the
light housing. Disconnect the power supply leads from the feed-through terminals and LED module.
