EOTech M914 (AN/PVS-14) Monocular Night Vision Device - Manual (Page 41)

3-1
CHAPTER 3
MAINTENANCE
SECTION I
OPERATOR MAINTENANCE
3.1 TROUBLESHOOTING PROCEDURES
The procedures below will help correct some of the basic
problems that may arise with the MNVD. If the equipment
malfunction is not listed, or the actions listed do not correct
the fault, refer to section 3.4 for additional guidance.
Table 3-1 Troubleshooting Procedures
Malfunction Probable Cause Corrective Action
1. No image is
present when
turning on the
MNVD.
a. Batteries are improperly
installed.
a. Verify batteries are properly
installed per section 2.2, Battery
Installation.
b. Battery power is low. b. Replace batteries per section
2.2, Battery Installation.
c. Battery contacts require
cleaning.
c. Clean battery contacts per
section 3.2, Battery Compartment
and Battery Cap.
2. Image abruptly
turns off when in
ON or IR modes.
a. High light shutdown has
been initiated.
a. Reset (power on) the MNVD
per section 2.6. Install the
objective lens cover per section
2.5, Objective Lens Cover, if
necessary.
3. Poor or
degraded image.
a. Lens cover installed
(dark ambient conditions).
a. Remove lens cover per section
2.4, Objective Lens Cover.
b. Lens cover not installed
(bright ambient conditions).
b. Install lens cover per section
2.5, Objective Lens Cover.