SPYRON Instruction Manual 2021
21
CHAPTER 5: TROUBLESHOOTING
5.1
Troubleshooting procedures
Table 5-1 lists common malfunctions that may occur with the equipment. Perform the tests,
inspections and corrective actions in the order they appear in the table.
This table cannot list all the malfunctions that may occur, all the tests and inspections
needed to find the fault, or all the corrective actions needed to correct the fault. If the
equipment malfunction is not listed or actions listed do not correct the fault, notify your
maintainer.
Malfunction
Test for Inspection
Corrective action
Monocular fails
to activate
Visual.
Turn switch to RESET/OFF position
and then ON.
Check for defective,
missing or improperly
installed battery.
Replace battery or install correctly.
If
SPYRON
still fails to activate, refer
to higher level of maintenance.
IR source fails to
activate.
In a dark location with
system turned on, activate
IR source.
Visually check IR source
operation; scene should
brighten.
If IR source still fails to activate, refer
to higher level of maintenance.
IR source indicator
fails to activate.
Visual.
Refer to higher level of maintenance.
Poor image quality. Check objective lens or
eyepiece.
Refocus.
Check for fogging or dirt
on objective lens or
eyepiece lens.
Clean lens surface per paragraph 4.5.
Check eye relief distance. Readjust for proper eye relief
distance.
Light visible around
eyecup.
Check eyecup for
resiliency.
If eyecup is defective, refer to higher
level of maintenance.
