Troubleshooting - GE WL-70 Wallighter Instructions

LAMPS
The WL7S is designed for high pressure sodium medium
base lamps up to 70 watts, depending on the ballast in-
stalled.
LAMP INSTALLATION
Use only lamps specified on nameplate. Observe
lamp manufacturer's recommendations and
restrictions on lamp operation, particularly ballast
type, burning position, etc.
Lamp Tightness – Medium Base Lamp: The lamp
should be tightened to a light firmness sufficient to depress
the center contact.
OPTIONAL PHOTOELECTRIC CONTROL
If a photoelectric control is to be installed, take off the
refractor and remove the plastic plug from the ballast cover.
Push the cell through the hole and attach, then tighten the
nut provided. Connect leads as specified on the
photocontrol nameplate.
CHECKING OUT THE SYSTEM
When the luminaire is ready for operation, turn on the
power. If there is a photoelectric control, cover the control
window with some black tape or other masking. The lamp
arc should strike and the lamp should reach full brightness
within a few minutes (3-4 minutes for high pressure so-
dium). Remove the photoelectric control masking, and this
should turn the fixture off, if installed during daylight
hours.

TROUBLESHOOTING

If the fixture does not operate after installation, re-read
the instructions and perform the following checks.
1. Is there 120 volt incoming power to the fixture as
specified on the nameplate?
2. Is the lamp damaged? Replace with new lamp. Is lamp
seated in socket properly?
3. For models with optional photoelectric control:
a. During daylight operation, does the lamp come on
when the photoelectric control window is covered? If
not, retest with a known good lamp. If it still does not
light, replace the control device.
b. During daylight operation, does the lamp go out
within two minutes after the control window is
uncovered? If not replace the control device.
c. After having operated correctly in service does the
lamp burn continually all day? If so, replace the
control device.
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© 2011 GE Lighting Solutions. Information provided is subject to change without notice. All values are design or typical values when measured under laboratory conditions.
4. With high pressure sodium (HPS) lamps, the end of
life failure mode is one of cycling. The lamp will
come on for a short time and then shut off. The
initial on/off period may be as long as an hour or
more, but will shorten over time to as little as one
minute. Replacement of the lamp will correct the
cycling condition.
5. For replacement parts, contact a local authorized
General Electric Company lighting systems distributor.
MAINTENANCE AND CLEANING
It will occasionally be necessary to clean the optical parts
in order to maintain the light level. Frequency of cleaning
will depend on the dirt level in the area and the minimum
light level which is acceptable. The reflector and refractor
should be cleaned with any suitable non-abrasive glass
cleaning solution, soap, or detergent, and rinsed with clean
water. Use of abrasive cleaners will shorten the life of any
reflector surface.
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