(1) If the light do not flash do the following: Replace cell. If it still does not flash, remove contact spring and check
for corrosion. Remove any corrosion and reassemble..
(2) If light still does not function, replace light.
a. INSPECTION. Check to be sure tape is not stretched, worn or broken.
(1) If tape should break, it can be repaired by tying it together with a square knot.
(2) If tape is badly stretched or has been tied in too many places, discard bad portion.