ATN TTWS Series, Operator'S Manual

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4-4
4.2. TROUBLESHOOTING
4.2.1. GENERAL
This section contains information for locating and removal most of
the TTWS operating troubles which may occur. Each malfunction
for an individual component or assembly is followed by a list of tests
or inspections that will help determine probable causes and cor-
rective action to take. Perform the tests/inspections and corrective
actions in the order listed.
This manual cannot list all possible malfunctions that may occur, or
all tests or inspections and corrective actions. If a malfunction is not
listed (except when malfunction and cause are obvious), or is not
corrected by listed corrective actions, contact to the service center.
4.2.2. TROUBLESHOOTING PROCEDURES
Troubleshooting procedures are listed in Table 4.2.
TABLE 4.2. TROUBLESHOOTING PROCEDURES
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Image is absent
Batteries are missing or
improperly installed.
Insert batteries or install
correctly.
Batteries are dead. Replace batteries.
Batteries contact sur-
faces or contact springs
dirty or corroded.
Clean the contact sur-
faces with a pencil eraser
and/or alcohol and cotton
swabs.
Cannot achieve
a sharp image of
the object.
Objective and output
lenses dirty.
Clean thoroughly the
lenses surfaces.
Damaged optical com-
ponents.
Send the sight to the
service center.
The brightness
set too low.
The batteries have a low
voltage.
Replace the batteries.
Factory alignment
broken.
Send the scope to the
service center.