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 TM 5-683/NAVFAC MO-116/AFJMAN 32-1083
Table 9-1. Lamp Trouble-Shooting Guide-Continued.
REMEDY
PROBABLE CAUSE
TROUBLE
I
Fluorescent Lamp Equipment
Maintain branch circuit
Low or high line
Short lamp life
voltage within the
voltage
range specified on
Frequency of starting
Lamp turned on and off
affects lamp life.
Long periods of burning
give long life. Short
periods of burning
reduce lamp life
Auxiliary equipment
Not installed properly
Radio interference
should be enclosed in a
steel channel. Wiring
should be made up with
tight connection;
clamps and starters
should be firmly
installed in sockets
and fixture grounded
Install filter at radio
Line feedback
Locate radio antenna
Radiation direct from
system at least 10 ft.
lamp
from fixtures
If unit is particularly
Noise from ballast
Fluorescent equipment
noisy, replace
is not noiseless type
ballast
9-7
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