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NVS 6
MANUAL
Page 41
Trouble
and
symptoms
Probable
cause
Remedy
Remarks
spare parts
3 Presence
of moisture
inside the unit
1 Replace dehyd-
rator cartridge (13)
(Ref. Fig. 5.1), by
first inspecting the
color of silica gel
indicator through
sight glass (14).
Replace the silica
gel, when its color is
turned lilac or rosy
Can be
performed in
the field
4 LVC or
cable are out
of order
1 Forward the unit
for repair
To be
performed at a
repair shop or
at Manu-
facturer’s
facilities
5 Image-
intensifier tube
is out of order
1 Forward the unit
for repair
To be
performed at a
repair shop or
at Manu-
facturer’s
facilities