SECTION V: TROUBLESHOOTING
TM 9-2350-256-20
WARNING
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry contacts a metal
surface a direct short may result in instant
heating of tools, damage to equipment,
and injury or death to personnel.
A
Remove master relay lamp from socket. Place red
lead of multimeter in socket and black lead to ground.
Turn MASTER switch on and check for voltage. Turn
MASTER switch OFF. If voltage is present, replace
lamp (see paragraph 6-10). If voltage is not present,
go to step B.
B
Remove three screws (1), three lockwashers (2),
ground lead (3), flat washer (4), and release main
switch panel (5) from mounting brackets. Ground
panel housing. Disconnect wire 459 from MASTER
switch. Place red lead of multimeter on switch terminal
and black lead to ground. Turn MASTER switch on
and check for voltage. Turn MASTER switch OFF. If
voltage is present, repair/replace wire 459 from
MASTER switch to lamp connector (see paragraph 6-
70). If voltage is not present, go to step C.
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