Troubleshooting; General; Troubleshooting Procedures - ATN PS-27 Operator's Manual

4.2. TROUBLESHOOTING

4.2.1. GENERAL

This section contains information for locating and removal most of
the PS-27 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.
PROBLEM
Sight will not
come on.
4-8
Table 4-2. Troubleshooting Procedures
PROBABLE CAUSE
Battery is miss-
ing or improperly
installed.
Battery is dead.
Battery contact
surfaces or contact
springs dirty or cor-
roded.
Defective image
tube.
CORRECTIVE ACTION
Insert battery or install
correctly.
Replace battery.
Clean the contact
surfaces with a pencil
eraser and/or alcohol
and cotton swabs.
Send the sight to the
service center.