25
3.8 Troubleshooting
LIGHT Tower
SYMPTOM
POSSIBLE CAUSES
SOLUTION
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.
Lamp broken or burned out
Check for:
broken arc tube or outer lamp jacket
broken or loose components in lamp envelope
blackening or deposits inside lamp tube.
Circuit breaker turned on
Turn off circuit breaker.
Circuit breaker loose or
defective
Have a licensed electrician repair or replace the circuit
breaker.
Generator output incorrect
Check incoming voltage to ballast. 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.
Unavailable to rise
The cable is stuck in the
tower
Pull out the cable
Steel wire rope goes out of
the winch
Fix the steel wire rope into the suitable position
Hard to rise the tower
Anointment to the friction surface of the mast
Tower goes down
after rising
The damage to the winch
Change a new winch
The shaft of the winch is
loose
Fasten the shaft
Tower can not be
lowered
The mast is lack of grease
Anointment to the friction surface of the mast
MAINTENANCE RECORD
MAINTENANCE
