TM
3-6665-316-12
4-5.
SYMPTOM INDEX
Troubleshooting
Procedure
(Paragraph)
Symptom
M43A1
Detector
4-7
M43A1 Detector does not
run
with
M81
receiver
installed
when
powered
by BA3517/U battery.
Transmitter
4-8a
a.
Transmitter TEST GOOD indicator does not light when
OPR
Switch
is in OPR position and receivers do not respond.
4-8b
b.
All receivers respond one at a time but transmitter TEST GOOD
indicator does not light when OPR Switch is pushed to OPR.
4-8c
c.
Transmitter TEST
GOOD
indicator
lights
when
OPR
Switch
is
in
OFF position.
Receiver
4-9a
Receivers activate one at a time when CHAN SEL Switch is turned
a.
even though transmitter OPR Switch is not pushed to OPR position.
4-9b
One or more detectors continue
to alarm
after
power
has
been
b.
applied and detector has been
reset.
4-9C
Two or more receivers
respond
at
one
time
when
OPR
Switch
is
c.
pushed to OPR.
4-9d
d.
Receiver
responds
when
Battery
Test
is
performed.
4-9e
e.
No
receivers
respond
to
transmitter.
4-9f
f.
One
to
three
receivers
do
not
respond
to
transmitter.
TROUBLESHOOTING FLOW CHART SYMBOLS
4-6.
These
symbols
are:
Three
symbols
are
used
in
the
troubleshooting
flow
charts.
Oval--Identifies
a
starting
or
stopping
a.
point in a
troubleshooting
chart.
Diamond--Identifies a decision which
you
b.
will make based on test results.
Rectangle--Identifies an action
you
will
c.
take based on the decision.
4-2
