26
ARMASIGHT by FLIR
SPARK
U S E R M A N U A L
4.2 TROUBLESHOOTING
4.2.1 OPERATOR TROUBLESHOOTING
The purpose of troubleshooting is to identify the most frequently occurring equipment malfunctions, their
probable causes, and the corrective actions required to fix them.
Table 4-2 lists common malfunctions that may occur during the operation or maintenance of the Spark.
Perform the tests, inspections, and corrective actions in the order listed in the table.
This table does not list all of the malfunctions that may occur with your device, or all of the
tests and corrective actions that may be necessary.
If you experience an equipment malfunction
that is not listed, or is not fixed by the corrective actions listed in the table, please contact Customer
Service center.
TABLE 4-2. OPERATOR TROUBLESHOOTING
MALFUNCTION
PROBABLE CAUSE/ TEST/INSPECTION
CORRECTIVE ACTION
Monocular fails to
activate
Battery is dead, missing or improperly
installed.
Replace the battery or install it correctly.
Battery contact surfaces or contact
springs are dirty or corroded.
Clean the contact surfaces with a pencil
eraser and/ or alcohol and cotton swabs.
Defective image intensifier.
Please contact Customer Support.
IR illuminator fails to
activate
Turn the IR illuminator on in a dark
area. Visually estimate whether or not
the observed scene is illuminated.
If the IR illuminator fails to activate,
please contact Customer Support.
Poor image quality
Check objective lens or eyepiece
focus.
Refocus the lens.
Check for fogging or dirt on the lens.
Clean the lens as detailed in Part 4.4.2. If
image quality is still poor, please contact
Customer Support.
Damaged optical components.
Please contact Customer Support
Light is visible around
the eyecup
Check the exit pupil distance value.
Readjust for proper eye-relief distance.
Check the eyecup resilience.
If the eyecup is defective, please contact
Customer Support.
Focusing ring cannot be
moved
Check to see if the focusing ring is
bent or broken.
If damaged, please contact Customer
Support.
Eyepiece ring cannot be
moved
Check to see if the eyepiece ring is
bent or broken.
If damaged, please contact Customer
Support.
4.3 IDENTIFICATION OF OPERATIONAL DEFECTS
4.3.1 OPERATIONAL DEFECTS
Operational defects relate to the reliability of the intensifier, and are an indication of instability. If
identified, the user will need to return the Spark immediately. Operational defects include shading, edge
glow, flashing, flickering, and intermittent operation.
