wc_tx004456gb_FM10.fm
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Troubleshooting LTV
Lamp will not light Lamp is too hot Allow lamp to cool 10–15 minutes before
restarting.
Faulty lamp connection Check that lamp is tight in socket. Check
connections inside connection boxes on
light fixtures and tower.
Plug connection at fixture is loose or
damaged
Repair or replace the plug connection.
Lamp broken or burned out Check for:
■ broken arc tube or outer lamp jacket,
■ broken or loose components in lamp
envelope,
■ or blackening or deposits inside lamp
tube.
Circuit breaker turned on Turn off circuit breaker.
Circuit breaker loose or faulty Repair or replace the circuit breaker.
Generator output incorrect Check incoming voltage to ballast.
Incoming voltage should be 120V ± 5V. If
voltage is incorrect, engine speed may
need to be adjusted or generator may
require service.
Low or no ballast output With the fixture cord removed from its
receptacle, the voltage should measure
400 to 445 VAC. If proper voltage is not
achieved, perform capacitor check to
determine if capacitor or coil needs to be
replaced.
Low light output Lamp degraded Replace lamp due to normal lamp life.
Low ballast output Check ballast for proper voltage output.
Fixture or lens dirty Clean reflective surface inside fixture and
both inside and outside surface of glass
lens.
Problem Cause Remedy
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