THE FOLLOWING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER
WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
NOT BY WAY OF LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
FITNESS FOR ANY PARTICULAR PURPOSE.
Crouse-Hinds Airport Lighting Products (the “Company”) warrants to each original Buyer of
Products manufactured by the Company that such Products are, at the time of delivery to the
Buyer, free of material and workmanship defects, provided that no warranty is made with respect
to:
Any Product which has been repaired or altered in such a way, in Company’s judgment, as to
affect the Product adversely;
Any Product which has, in Company’s judgment, been subject to negligence, accident or
improper storage;
Any Product which has not been operated and maintained in accordance with normal practice and
in conformity with recommendations and published specification of Company; and,
Instruction Manual
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
Any Products, component parts or accessories manufactured by others but supplied by Company
(any claims should be submitted directly to the manufacturer thereof).
Crouse-Hinds Airport Lighting Products’ obligation under this warranty is limited to use of
reasonable efforts to repair or, at its option, replace, during normal business hours, at any
authorized service facility of Company, any Products which in its judgment proved not to be as
warranted within the applicable warranty period. All costs of transportation of Products claimed
not to be as warranted and of repaired or replacement Products to or from such service facility
shall be borne by Purchaser. Company may require the return of any Product claimed not to be as
warranted to one of its facilities as designed by Company, transportation prepaid by Purchaser, to
establish a claim under this warranty. The cost of labor for installing a repaired or replacement
product shall be borne by Purchaser. Replacement parts provided under the terms of this
warranty are warranted for the remainder of the warranty period of the Products upon which they
are installed to the same extent as if such parts were original components thereof. Warranty
services provided under the Agreement does not assure uninterrupted operations of Products;
Company does not assume any liability for damages caused by any delays involving warranty
service. The warranty period for the Products is 24 months from date of shipment or 12 months
from date of first use whichever occurs first.
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iv
WARNING:
WARNING
DO NOT PERFORM MAINTENANCE ON INTERNAL
COMPONENTS OR SERVICE WITH POWER ON.
3 Safety Notices
This equipment is normally used or connected to circuits that may employ voltages which are
dangerous and may be fatal if accidentally contacted by operating or maintenance personnel.
Extreme caution should be exercised when working with this equipment. While practical safety
precautions have been incorporated in this equipment, the following rules must be strictly
observed:
3.1 Keep Away from Live Circuits
Operating and maintenance personnel must at all times observe all safety regulations. Do not
perform maintenance on internal components or service with power ON.
Instruction Manual
AGS-LED
858 LED Series
3.2 RESUSCITATION
Maintenance personnel should familiarize themselves with the technique for resuscitation found
in widely published manuals of first aid instruction.
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4 Safety Symbols
DANGER:
DANGER
The hazard or unsafe practice will result in severe injury or death.
WARNING:
WARNING
The hazard or unsafe practice could result in severe injury or death.
CAUTION:
CAUTION
The hazard or unsafe practice could result in minor injury.
WARNING:
NOTICE
Possibly dangerous situation, goods might be damaged.
WARNING:
IMPORTANT
Helpful information.
4.1 Danger
4.2 Warning
Instruction Manual
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
4.3 Caution
4.4 Warning: Notice
4.5 Warning : Important
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Manufacturer
Model Number
Fluke
87V, 287
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
5 Test Equipment and Tools
There is a wide variety of tools and equipment needed to safely and correctly perform airfield lighting
equipment installation and maintenance. In addition to the obvious tools (screwdrivers, wrenches, etc.),
there is a specialized equipment needed to do the job.
Multimeter
One of the most important pieces of test equipment is the Multimeter. It is used to measure voltages,
currents, and resistances. Almost every single maintenance task requires the use of a multimeter at one
point or another. A quality meter in good repair and calibration is a must because airfield lighting power
distribution equipment produces non-sinusoidal waveforms, traditional average reading meters are
inaccurate and have very limited use. Checking or adjusting equipment based upon incorrect current
reading may dramatically reduce lamp life and adversely affect power equipment performance. A meter
with TRUE RMS measuring capability and a current clamp-on probe is needed to accurately measure
distorted or chopped waveforms. All meter manufacturers offer TRUE RMS measuring meters. The
following is a short list of TRUE RMS Multimeters from Fluke:
Our recommended meter is the Fluke 87V with the Fluke I800 current clamp.
Refer to the equipment manufacturer’s manuals for the proper use, maintenance and calibration (if
necessary) of all meters.
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6 Table of Contents
1 Revisions ............................................................................................................................... ii
2 Limited Product Warranty .................................................................................................... iii
3 Safety Notices ........................................................................................................................ iv
3.1 Keep Away from Live Circuits ....................................................................................... iv
3.2 RESUSCITATION ......................................................................................................... iv
4 Safety Symbols ....................................................................................................................... v
4.1 Danger .............................................................................................................................. v
4.2 Warning ............................................................................................................................ v
4.3 Caution ............................................................................................................................. v
4.4 Warning: Notice ............................................................................................................... v
4.5 Warning : Important ......................................................................................................... v
5 Test Equipment and Tools ..................................................................................................... vi
6 Table of Contents ................................................................................................................. vii
7 List of Figures and Tables .................................................................................................. viii
8 General Information ............................................................................................................... 1
8.1 General Description ......................................................................................................... 1
8.2 Classification of Signs...................................................................................................... 1
8.3 Part Numbers: .................................................................................................................. 2
Table 11. Style 5 – Fixed regulator current ................................................................................. 64
Table 12. Power Supply Faults .................................................................................................... 65
Table 13. Parts List ...................................................................................................................... 66
Table 14. Estimated max sustained force on the sign body (Does not include safety margin) ... 68
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858 LED Series
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8 General Information
8.1 General Description
Crouse-Hinds Airport Lighting Products, “AIRSIDE” internally illuminated LED Taxiway and Runway
Signs provide outstanding message visibility, day or night. White on Red and Yellow on Black and Black
on Yellow color combinations may be ordered with any desired message. Signs are available as single or
double faced and are provided with retro-reflective sign face. For further information on Taxiway Signs
and their use, consult the latest revision FAA Advisory Circulars AC 150/5220-9, AC 150/5340-18, and
AC 150/5345-44.
8.2 Classification of Signs
The signs covered in this manual are designed and manufactured in accordance with the requirements of
FAA Advisory Circular AC 150/5345-44J. Specifications for Taxiway and Runway Signs and conform to
the following classifications as indicated in paragraph 1.2 of the above Advisory.
Type L-858Y – Direction destination and boundary sign – black legend on a yellow background.
Type L-858R – Mandatory instruction sign white legend on a red background.
Type L-858L – Taxiway and runway location sign yellow legend and border on a black background.
Type L-858B –Runway Distance Remaining sign with a white legend on a black background.
Type L858C – Taxiway Ending Marker sign yellow strips on black background (2 module sign only)
A sign may consist of multiple arrays of the above messages.
NOTE: Size 5 information in this manual is the same as the Size 3 single module unless noted
otherwise.
P/N Sizes
858S5-1X-X-X-X-XX Size 1 – 12 inch legend (small body)
858S5-2X-X-X-X-XX Size 2 – 15 inch legend (mid-size body)
858S5-3X-X-X-X-XX Size 3 – 18 inch legend (large body)
858S5-4X-X-X-X-XX Size 4 – 40 inch legend (large body DMS numerals and AGM symbol)
858S5-5X-X-X-X-XX Size 5 – 25 inch legend (large body DMS numerals only)
CAT. # FAA Styles
-3 Style 2 – For operation from a 3 step series lighting circuit (4.8 to 6.6 amperes)
-5 Style 3 – For operation from a 5 step series lighting circuit (2.8 to 6.6 amperes)
-1 Style 5 – A (fixed) 5.5 ampere series lighting circuit
Class 2 – For operation from -40ºC to +55ºC (+131ºF)
Mode 2 – Sign for use in areas subjected to wind speed of up to 200 mph (322 km/h)
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8.3 Part Numbers:
Instruction Manual
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Sizes 1, 2, 3, 4 and 5
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WARNING:
NOTICE
Sign foundations/pad and their design are the responsibility of the
installer and/or airport and recommendations/suggestions herein are
for guidance only. Transformer housing and baseplates and/or
covers, series isolation transformers, primary connector kits, series
isolation transformer secondary cable extender, series isolation
consolidating harness (if required), heat shrink kits, grounding rods,
ground wire and connectors, floor flange anchor bolts and hardware
are not included as part of the sign. Underlined items may be ordered
from Crouse-Hinds Airport Lighting.
WARNING:
IMPORTANT
FAA specifications and Engineering Briefs may be obtained by
searching the FAA web site: www.faa.gov.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
9 Installation
a. Refer to FAA AC 150-5345-18F section 14 for Taxiway Guidance Sign location and for the
perpendicular distance from the defined pavement edge to the near side of the sign. Similarly, see
section 25 of FAA AC 150-5345-18F for Runway Distance Remaining Sign location and
perpendicular distance from the defined pavement edge to the near side of the sign.
b. See Figures 12-17 for suggested concrete foundation/pad. Concrete foundations/pads should be of
adequate mass, reinforcement, and psi strength rating for the maximum sustained force on the sign
body and floor flange anchors must endure at its maximum plus a safety margin. The concrete
foundation/pad should be installed in soil conditions that will help facilitate drainage and
foundation/pad support. The floor flange anchor bolt material should also meet the maximum
sustained force on the sign body plus a safety margin and must be ½ inch in diameter for use with the
25684-1 Floor Flange. See Table 14 for estimated maximum sustained force on the sign body.
c. Concrete foundations/pads should extend at least 12 inches below the local frost line. Contact your
local or regional building inspector if the depth is unknown for your area. The foundation/pad should
extend at least 1 foot beyond the sign body to minimize damage from mowers.
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DANGER:
DANGER
Lock out electrical power to the series loop that will power the sign at
its source before attempting any electrical connections/splices.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
d. The concrete foundation/pad should be not more than 1 inch above grade in order to maintain the 3
inch maximum overall height above grade to the point of frangibility per FAA Engineering Brief no.
79. See the Engineering Brief for acceptable grading around the foundation/pad. The foundation/pad
pad must be level.
e. It is recommended that the contractor who is to install the concrete foundation/pad use cast in place
anchor bolts. The threaded portion of the anchor bolts should be 1-5/8 inches minimum to 1-7/8
maximum above the top of the concrete foundation/pad (See Figures 12, 12a-12c). This requires that
the anchor bolts be installed accurately as shown in the concrete foundation/pad dimensions Figure
13. The clearance holes on the floor flange are 5/8 inch diameter on a 4.75 inch diameter bolt circle
for use with ½ inch anchor bolts.
f. The concrete foundation/pad should include the series isolation transformer housing. It is
recommended that this housing not be placed under the sign power leg to allow access to the series
isolation transformer and connections for ease of troubleshooting and servicing (See Figures 12, 12a12c). This housing would be on the side closest to the Taxiway or Runway. A 2 inch conduit elbow
with threaded coupling attached at sign end would exit from the transformer housing side to the
foundation/pad and be flush with the with the top of the concrete foundation/pad grade level centered
between the floor flange bolts nearest the Taxiway or Runway side of the sign. The sign as viewed
will have the circuit card box to the right on the “A” side of the sign, which is closest to the Taxiway
or Runway side of the sign. If the location requires an additional housing to accommodate multiple
messages, then the separation distance between these signs housings can be 3 inches minimum to 12
inches maximum (FAA AC 150-5345-44J 3.2.5.2 a.). This first sign body housing (farthest from the
adjacent Taxiway) will have the circuit card box to the left on the “A” side of the sign. The sign side
identification is important with regards to its sign panel legend. A grounding rod and clamp should
be installed at the end opposite the circuit card box in order to ground the sign housing. This
grounding rod must not be connected to the field counterpoise.
g. Make electrical connections to the series loop power using L-823 Primary Connector Kits. Attach
the primary connectors to the appropriate size L-830 Series Isolation Transformer (See Tables 3-8).
These primary connections (single pin plug or receptacle) should have Heat Shrink Kits applied over
their connections to prevent disconnection and water from entering the cables. If two Series Isolation
Transformers are required to be attached in series to obtain the correct wattage required for the sign,
all primary lead connections should have Heat Shrink Kits applied. Two Series Isolation
Transformers connected in series together will require a Consolidating Harness (Crouse-Hinds Part
Number 26811-27) at the transformer secondary connectors (two pin receptacle) to series them
together. Use electrical tape around the connections to prevent accidental disconnection. The Series
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WARNING:
IMPORTANT
Check the sign for shipping damage upon arrival and in all cases,
check for damage prior to installation.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
Isolation Transformer should be placed on a brick in order to isolate the transformer from direct
contact with metal. The Series Isolation Transformer secondary cable should then be inserted from
inside the housing up the conduit elbow. Using the two 40762 retainers supplied with the sign (looks
like a cupped washer with a slot), placing one below the secondary cable receptacle (L-823 Style 8,
looks like a ball), and one above. The bottom cupped washer sits on the conduit elbow top inside the
threaded conduit coupling and prevents the secondary cable from dropping back down the conduit.
The top cupped washer prevents the secondary cable from being pulled out of the ground allowing the
sign power cord to disconnect if the sign is impacted and shears off at its frangible couplings. If a
consolidating harness is used or a secondary cable extension (use electrical tape around connection) is
required, use the 25003 (split clamp with screws and hex nuts) retainer supplied with the sign. Secure
this retainer, flat side down away from sign, around the secondary end (L-823 Style 7, looks like a
straight tube) that will exit the conduit elbow. The top of the secondary receptacle should be at least
¼ inch below the conduit elbow threaded coupling top surface.
h. Lower the sign with the legs and flanges into place. Plug the sign power cable plug into the secondary
receptacle inside the conduit elbow while lowering. Check the sign itself with a long carpenter’s level to be sure it is level. As an alternate, remove the floor flanges and frangible couplings from the
sign, unscrewing the frangible couplings from the floor flanges. Install the floor flanges onto the sign
anchor bolts. Level the floor flanges for ease of installation of the sign. A long carpenter’s level can
be placed across the top of the floor flanges to be sure they are all in line and level. Do not tighten the
anchor nuts tight (only finger-tight) until the frangible couplings are installed back into to floor
flanges. Note: Some vertical adjustments can be obtained by rotating the floor flanges a turn or
two on the frangible coupling.
i. Make sure all flanges are in full contact and sit flush on the pad before tightening the anchor bolts.
Shim and grout as required. Once the sign has been leveled, attach the sign tether to the closest
anchor bolt and tighten all the anchor nuts securely. (Note: Anchor hardware is not supplied with the
sign.) Anchor hardware should be corrosion resistant. The sign body must not be bent or distorted due
to an uneven installation procedure. Install a bare #14 AWG minimum copper ground wire to the
sign ground stud (stud located on sign bottom extrusion exterior and accepts #4 through #14 AWG)
and the other end to the grounding rod clamp.
j. The sign is shipped set for a Ferro-resonant Type L-828 Regulator as illustrated in Table 1. For other
Regulator types, set sign power supply circuit card jumper according to Table 2.
k. Return power to series circuit and verify sign illuminates through all Regulator brightness steps.
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WARNING:
WARNING
Remove Power Before Attempting Any Servicing.
WARNING:
WARNING
Failure to fully engage the power supply box upper and lower rotary
latches may result in water leaking into the power supply box. Water
accumulation in the power supply box may lead to permanent failure
of the power supply and subsequent failure of the sign.
858 LED Series
Sizes 1, 2, 3, 4 and 5
10 Maintenance and Troubleshooting
10.1 General
The sign body is finished with a satin black durable coating. Should touch-up become necessary,
we recommend a low gloss satin black paint (RAL 9005 or equivalent). Scuff and clean surfaces
prior to painting.
AGS-LED
During troubleshooting or maintenance operations, if it is necessary to open the power supply box
door, it is imperative that the power supply box door be properly closed at the completion of the
operation. (See Figure 31 for instructions on properly closing the power supply box door.)
Work on electrical circuits should be done only by a qualified electrician with a working
knowledge of airfield lighting circuits. Trouble-shooting is accomplished by means of process of
elimination. It should be checked that the POWER is OFF and secured, and once one solution is
tried, POWER is reapplied. Then POWER turned OFF and secured and another solution tried,
etc. Repeat this until the problem is solved.
It is also assumed that the circuit is in proper working order from the isolation transformer
secondary connector (L-823 style 7or 8 receptacle) all the way to and including the power source.
Use of a calibrated true RMS-reading multi-meter with a current sensing clamp-on attachment
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WARNING:
NOTICE
Only use OEM replacement sign legend panels. The entire message
element must be replaced per FAA AC 150-5345-44J 3.2.5.10.2. Our
proprietary process replacement panels meet the photometric and
wind loading requirements of the sign as certified to FAA AC 1505345-44J.
CAUTION:
CAUTION
Do not over tighten hex nut on stud retaining bridge rectifier. 8in-lbs
max. (See Figure 18) Also, remover carriers from thermal pad
adhesive surfaces before installing.
WARNING:
IMPORTANT
When tightening cover screws, do not use power drivers as you may
exceed the maximum torque of 75 in-lbs on the cover screws.
DANGER:
DANGER
When replacing parts inside the circuit box or sign housing, lock out
series circuit power at its source.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
will aid in the trouble shooting of electrical circuits. Warning: Only use OEM replacement sign
legend panels
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PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
(P.1) Sign will
not light
No input current. (LEDs on Power
Supply board not lit)
Measure input current
according to Sections 10.3 and
10.4. If the measured input
current is not within spec (see
Tables 9-11), check CCR,
isolation transformer, and
primary power connections.
(P.2) Sign will
not light
Input current is below or exceeds
specification. (Input current is
specified between 2.8 and 6.6
amps using a true RMS Ammeter.
L858 Power Supply indicator RED
LEDs D4 is ON, and D7 is OFF;
Table 12)
Adjust CCR current (See
Tables 9-11 and/or replace
isolation transformer with
appropriate wattage for sign
(see Tables 3-8).
(P.3) Sign will
not light
Optional ON/OFF switch in OFF
position
Turn switch to ON position.
(P.4) Sign will
not light
Power Supply Circuit Card +15V
supply failed (See Table 12)
Verify Green LED D29 is lit.
Replace Power Supply Board
if D29 is not lit.(Section 10.12)
(P.5) Sign will
not light
Power Supply Circuit Card +3.3V
supply failed (See Table 12)
Verify Green LED D11 is lit.
Replace Power Supply Board
if D11 is not lit (section
10.12).
(P.6) Sign will
not light
Loose/broken wire(s)/missing
connections
Verify Power Supply
connections match Power
Supply Wiring Diagram
(Figures 18 & 21).
10.2 Problem Solving Guide
Instruction Manual
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
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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
AGS-LED
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Sizes 1, 2, 3, 4 and 5
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PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
(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)
Instruction Manual
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
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WARNING:
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
WARNING:
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
10.3 Measuring Input Current (Signs Without Optional Power Switch)
Turn off power to the sign by turning off the corresponding Constant Current Regulator (CCR) power.
(WARNING: Wait five minutes after sign power is turned off to service the sign. This will allow any residual high voltage stored in Power Supply PCB components to bleed off. ) With your
multimeter set to DC Volts, verify that the Power Supply Output Voltage is less than 30-VDC at TP6
(Positive lead) and TP3 (Negative Lead) as indicated in Figure 22. If the Power Supply Output Voltage
is greater than 30-VDC, then you must wait until the Power Supply Output Voltage drops below 30-VDC
before you proceed with the next step.
Open Power Supply cover (See Figure 18). Disconnect female crimp receptacle at CN17 from Power
Supply Board. (Note: When removing female crimp receptacle, grasp by the terminal, not the wire.)
Disconnect female crimp receptacle from CN18 and connect to CN17. Place current clamp around
primary power wire and connect to a true rms current meter. Turn on power to the CCR. Current should
measure between 2.7-ARMS and 6.7-ARMS depending on the CCR current level or current step.
Upon completing the measurement of the input current, turn off power to the CCR. Remove the current
clamp. Disconnect the female crimp receptacle at CN17 and reconnect to CN18. Reconnect the female
crimp receptacle attached to wire BRPH to CN18. Close the Power Supply Box cover.
10.4 Measuring Input Current (Signs With Optional Power Switch)
Turn off power to sign by toggling sign power switch to the off position (See Figure 6). Turn off power
to the sign. (WARNING: Wait five minutes after sign power is turned off to service the sign. This will allow any residual high voltage stored in Power Supply PCB components to bleed off. ) With
your multimeter set to DC Volts, verify that the Power Supply Output Voltage is less than 30-VDC at
TP6 (Positive lead) and TP3 (Negative Lead) as indicated in Figure 22. If the Power Supply Output
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WARNING:
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
Voltage is greater than 30-VDC, then you must wait until the Power Supply Output Voltage drops below
30-VDC before you proceed with the next step.
Open the Power Supply Box cover. Place current clamp around one of the wires connected to the switch
labeled with switch marker PWR. Connect the current clamp to the true RMS current meter. Measure the
input current. Current should measure between 2.7-ARMS and 6.7-ARMS depending on the CCR current
level or current step.
Upon completing the measurement of the input current, remove current clamp and close Power Supply
Box cover.
10.5 Checking Power Supply LED Cable
Turn off power to the sign. (WARNING: Wait five minutes after sign power is turned off to service
the sign. This will allow any residual high voltage stored in Power Supply PCB components to
bleed off. ) With your multimeter set to DC Volts, verify that the Power Supply Output Voltage is less
than 30-VDC at TP6 (Positive lead) and TP3 (Negative Lead) as indicated in Figure 21. If the Power
Supply Output Voltage is greater than 30-VDC, then you must wait until the Power Supply Output
Voltage drops below 30-VDC before you proceed with the next step.
Remove the sign top cover bolts and then lift the top cover from the sign. Remove the front face from the
sign. Check the Power Supply LED Cable for visible damage. Make sure the Power Supply LED cable
connector is properly seated in CN9 at the Power Supply Board (see Figure 18). Verify that the Power
Supply LED cable connector connects to the input connector of the first LED MODULE and is properly
seated in the input connector housing. The LED MODULE input connector and the output connector are
clearly marked with inward pointing and outward pointing black arrows, respectively, on the LED
MODULE PCB (see Figure 7).
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WARNING:
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
WARNING:
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
10.6 Checking LED MODULE Cable Connections
Turn off power to the sign by turning off the corresponding Constant Current Regulator (CCR) power.
(WARNING: Wait five minutes after sign power is turned off to service the sign. This will allow any residual high voltage stored in Power Supply PCB components to bleed off.) With your
multimeter set to DC Volts, verify that the Power Supply Output Voltage is less than 30-VDC at TP6
(Positive lead) and TP3 (Negative Lead) as indicated in Figure 22. If the Power Supply Output Voltage
is greater than 30-VDC, then you must wait until the Power Supply Output Voltage drops below 30-VDC
before you proceed with the next step.
The LED MODULES are electrically wired in series. This means that if any of the cable connectors are
improperly seated in their respective LED MODULE housing, then no current can flow through any of
the LED MODULES and subsequently the sign will not light. Therefore, verify that all cable connectors
are properly seated in their housing and that the output of one LED MODULE (indicated by the outward
pointing arrow at the LED MODULE connector Figure 7) is connected to the input of the next LED
MODULE (indicated by the inward pointing arrow at the LED MODULE connector- Figure 7).
The Last LED MODULE in the series string is terminated with a black return connector & cable
assembly(See Figure 7-11). Verify that the black terminator cable connector is properly inserted into the
connector housing at the Last LED MODULE output connector (indicated by the inward pointing arrow).
10.7 Checking the First LED MODULE
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WARNING:
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
Turn off power to the sign by turning off the corresponding Constant Current Regulator (CCR) power.
(WARNING: Wait five minutes after sign power is turned off to service the sign. This will allow any residual high voltage stored in Power Supply PCB components to bleed off.) With your
multimeter set to DC Volts, verify that the Power Supply Output Voltage is less than 30-VDC at TP6
(Positive lead) and TP3 (Negative Lead) as indicated in Figure 22. If the Power Supply Output Voltage
is greater than 30-VDC, then you must wait until the Power Supply Output Voltage drops below 30-VDC
before you proceed with the next step.
Remove the black return cable connector from the last LED MODULE output cable connector (see
Figures 7-11 & 20). Replace the output cable connector in the first LED MODULE with the black return
cable connector. Turn on main power. If the first LED MODULE momentarily lights and then turns off,
then the first LED MODULE and the Power Supply LED cable and Power Supply board are operating
normally.
Turn off main power to the sign. Wait five minutes for the power supply voltages to dissipate. Verify that
the output voltage is less than 30-VDC with a multimeter as described in the opening paragraph of this
section. Replace the black return cable connector with the first LED MODULE output cable connector.
If the sign does not light at all, then replace the LED MODULE #1 and/or the cable connecting from the
output of the Power Supply to the input of LED MODULE #1(see Section 10.10). Then repeat the test
described above in this section.
10.8 Checking the Second LED MODULE
Turn off power to the sign by turning off the corresponding Constant Current Regulator (CCR) power.
(WARNING: Wait five minutes after sign power is turned off to service the sign. This will allow any residual high voltage stored in Power Supply PCB components to bleed off.) With your
multimeter set to DC Volts, verify that the Power Supply Output Voltage is less than 30-VDC at TP6
(Positive lead) and TP3 (Negative Lead) as indicated in Figure 22. If the Power Supply Output Voltage
is greater than 30-VDC, then you must wait until the Power Supply Output Voltage drops below 30-VDC
before you proceed with the next step.
Remove the black return cable connector from the last LED MODULE output cable connector. Replace
the output cable connector in the second LED MODULE with the black return cable connector. Turn on
main power to the sign. If both LED MODULES momentarily light and then turn off or stays lit, then the
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WARNING:
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
second LED MODULE and the cable from the first LED MODULE to the second LED MODULE are
operating normally.
Turn off main power to the sign. Wait five minutes for the high voltage to dissipate. Verify that the
output voltage is less than 30-VDC with a multimeter as described in the opening paragraph of this
section. Replace the black return cable connector with the first LED MODULE output cable connector.
Replace the black return cable connector in the output connector housing of the last LED MODULE.
If the sign does not light at all, then replace the second LED MODULE and/or the cable connecting from
the output connector of LED MODULE #1 to the input of LED MODULE #2 (see Section 10.10). Then
repeat the test outlined above in this section.
10.9 Continue Checking the Rest of the LED MODULES
It is assumed that the first two LED MODULES have been checked successfully as described in previous
two sections. For signs with more than two LED MODULES, continue checking the remaining LED
MODULES one at a time and in numerical sequence (e.g. LED MODULE #3, LED MODULE #4….LED
MODULE #Last). Use the same method as we have outlined in previous section.
For example, suppose we have a sign with 6 LED MODULES (See Size 2, 2-Modules, Figure 9) and we
have checked all the LED MODULES in sequence from 1 to from 4 and found that the sign momentarily
lit. Then we would use the following procedure to test the 5th LED MODULE.
Turn off power to the sign by turning off the corresponding Constant Current Regulator (CCR) power.
(WARNING: Wait five minutes after sign power is turned off to service the sign. This will allow any residual high voltage stored in Power Supply PCB components to bleed off.) With your
multimeter set to DC Volts, verify that the Power Supply Output Voltage is less than 30-VDC at TP6
(Positive lead) and TP3 (Negative Lead) as indicated in Figure 22. If the Power Supply Output Voltage
is greater than 30-VDC, then you must wait until the Power Supply Output Voltage drops below 30-VDC
before you proceed with the next step.
Remove the black return cable connector from the 6th LED MODULE output cable. Replace the output
cable connector in the LED MODULE #5 with the black return cable connector. Turn on main power to
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WARNING:
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
WARNING:
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
the sign. If LED MODULES #1 to #5 momentarily light and then turn off, then the LED MODULE #5
and the cable from the LED MODULE #4 to the LED MODULE #5 are operating normally.
Turn off main power to the sign. Wait five minutes for the high voltage to dissipate. Verify that
Power Supply Output Voltage measures less than 30-VDC, as described above. Replace the black
return cable connector with the LED MODULE #5 output cable connector. Replace the black return
cable connector into the output connector housing of the 6th LED MODULE.
If the sign does not light at all, then replace the LED MODULE #5 and/or the cable connecting from the
output connector of LED MODULE #4 to the input of LED MODULE #5 (see Section 10.10). Then
repeat the test as described in this section.
10.10 Replacing an LED MODULE
In the case where an 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 LED
MODULE has been previously identified.
1. Turn off power to the sign by turning off the corresponding Constant Current Regulator (CCR)
power. (WARNING: Wait five minutes after sign power is turned off to service the sign. This will allow any residual high voltage stored in Power Supply PCB components to bleed off.)
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WARNING:
IMPORTANT
Power Supply Board must be re-calibrated after replacing an
LED MODULE (see Section 10.11).
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
2. With your multimeter set to DC Volts, verify that the Power Supply Output Voltage is less than 30VDC at TP6 (Positive lead) and TP3 (Negative Lead) as indicated in Figure 22. If the Power Supply
Output Voltage is greater than 30-VDC, then you must wait until the Power Supply Output Voltage
drops below 30-VDC before you proceed with the next step.
3. Carefully remove the input and output cables from the failed LED MODULE. (Mark the cable
connected to the LED MODULE input connector. Note: The input connector on the LED MODULE is denoted by a black arrow pointing toward the input connector(see Figure 7).
4. Loosen and remove the nuts on the LED MODULE mounting bracket bolts. Remove the LED
MODULE bracket bolts with one hand while support the LED MODULE with your other hand.
5. Carefully remove the failed LED MODULE from the LED MODULE mounting bracket.
6. Mount the replacement LED MODULE into the mounting bracket such that the holes in the LED
MODULE heat sink are aligned with the mounting bracket holes. (Note: The replacement LED
MODULE input connector should be closest to the marked input cable connector.)
7. Push the mounting bracket bolts through the mounting bracket and the LED MODULE heat sink
holes.
8. Attach nuts to the mounting bracket bolts and tighten.
9. Gently slide the input cable connector into the replacement LED MODULE connector input housing.
10. Likewise, slide the output cable connector into the replacement LED MODULE output connector
housing.
11. The LED MODULE replacement is complete.
12. Power Supply Board must be re-calibrated after replacing an LED MODULE (see Section 10.11).
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WARNING:
IMPORTANT
In this section, it is assumed that the Sign PC Board P/N 62277 is
correctly configured for this particular sign (see Table 1or 2) and
that the sign lights continuously when main power is applied in
the normal mode of operation (SW3-1 = OFF).
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
10.11 Sign PC Board P/N 62277 Calibration
The 62277 PC Board doesn’t normally need to be calibrated in the field unless an LED MODULE is
replaced.
INSTRUCTIONS FOR CALIBRATION OF 62277 PC BOARD:
1. Turn off main power to the sign.
2. Open the Power Supply Cover and locate SW3-1 on the Power Supply Board (See Figure 18)
3. On the Power Supply Board, set switch SW3-1 to the ON position.
4. Apply main power to the sign. Green LED D3 will flash ON/OFF slowly for approximately three
seconds to indicate the beginning of the calibration process. During calibration, D3, will remain OFF.
At the conclusion of the calibration process, D3 remain constant ON (see Figure 18).
5. If D3 does not light and remain constant, then calibration has failed. Based on the assumption listed
under WARNING above, replace the power supply board (See section 10.12)
5. Turn off the main power to the sign.
6. Set SW3-1 to the OFF position.
7. Close the Power Supply cover.
8. The Power Supply Board is now calibrated to the sign.
In this section, it is assumed that the sign has failed and the trouble shooting guide recommends
replacement of the Power Supply Board.
INSTRUCTIONS FOR REPLACING 62277 PC BOARD & HEAT SINK:
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WARNING:
IMPORTANT
Power Supply Board must be re-calibrated after replacement.
(see Section 10.11).
WARNING:
WARNING
Failure to turn off power to the sign and wait five minutes could result
in severe injury or death.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
1. Turn off power to the sign by turning off the corresponding Constant Current Regulator (CCR)
power. (WARNING: Wait five minutes after sign power is turned off to service the sign. This will allow any residual high voltage stored in Power Supply PCB components to bleed off.)
2. With your multimeter set to DC Volts, verify that the Power Supply Output Voltage is less than 30VDC at TP6 (Positive lead) and TP3 (Negative Lead) as indicated in Figure 22. If the Power Supply
Output Voltage is greater than 30-VDC, then you must wait until the Power Supply Output Voltage
drops below 30-VDC before you proceed with the next step.
3. Remove input power cabling at CN1, CN2, CN3, CN11, CN17, & CN18 (See Figure 18).
4. Remove LED Power Supply Cables at CN9 and CN14 (See Figure 18).
5. Remove the two hex nuts that secure the main heat sink to the Power Supply Box screw studs (see
Figures 23a and 23b).
6. Remove the six screws that fasten the Power Supply Board onto the Power Supply Box (see Figure
24).
7. Remove the Power Supply Board Assembly by sliding the attached main heat sink off the mounting
studs extending from the side of the Power Supply Box.
8. Slide the new Power Supply Board onto the mounting studs extending from the right side of the
Power Supply Box.
9. Fasten board to the Power Supply Box with six mounting screws (see Figure 24).
10. Attach the two hex nuts that secure the heat sink to the studs extending from the side of the Power
Supply Box (see Figures 23a and 23b).
11. Connect the LED Power Supply cables at CN9 and CN14 as shown in Figure 25. Install black cable
tie around LED plugs and receptacles as shown in Figure 26a and 26b.
12. Attach the White wire from the PCB to the Bridge Rectifier as shown in Figure 27.
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WARNING:
WARNING
Failure to fully engage the power supply box upper and lower rotary
latches may result in water leaking into the power supply box. Water
accumulation in the power supply box may lead to permanent failure
of the power supply and subsequent failure of the sign.
AGS-LED
858 LED Series
Sizes 1, 2, 3, 4 and 5
13. Connect black wire marked BRPH from the PCB at terminal CN17 to the Bride Rectifier as shown in
Figure 28.
14. Attach black wires labeled PWR1 and PWR 2 as shown in Figure 28.
15. Connect black wires marked CN2, CN3, and GND as shown in Figure 29.
16. Verify that black wires BR+ and BR- are attached to the Bridge Rectifier as shown in Figure 30.
17. Set the jumpers JP1 & JP2 for the sign style, size, and number of modules as shown in Table 1
(FERRO CCR) or Table 2 (Series CCR). (For location of jumpers, see Figure 18)
18. Set DIP switches SW1, SW2, & SW3for the sign style, size, and number of modules as shown in
Table 1 or 2. (For dip switch locations, see Figure 18)
19. Close the Power Supply Box Door and fully engage the upper and lower rotary draw latches as shown
in Figure 30.
20. The Power Supply Board and Heat Sink replacement is complete
Figure 15. Concrete Foundation/Pad configurations: Two 4-Module Signs, Side by Side
NOTE, IF 3 SIGNS ARE USED IN AN ARRAY, MAKE SEPARATION DISTANCE 12 INCHES TO ALLOW CIRCUIT CARD BOX DOOR TO
OPEN IN THIS SPACE WHEN ANOTHER CIRCUIT CARD BOX IS MOUNTED IN THIS SAME SPACE UTILIZED ON ADJACENT SIGN. THIS
WILL ALLOW THIS SEPARATION DISTANCE TO REMAIN WITHIN THE FAA SPECIFICATION.