Garmin SL40 - Appendix A - Troubleshooting; Troubleshooting Guide; Contacting the Factory for Assistance

Troubleshooting
AppExDrx
A
-
TnouBLEsHoorrNG
This appendix
provides
information
to assist
troubleshooting if
problems
occur after
completing
tlre installation.
Use Table
3
to assist
in troubleshooting.
'tatrle
3
Troubleshooting
Guide
Problem Cause
Solution
The
SL40 does not
power
on. The
unit is
not
getting
power.
Check
power
connections, breakers.
and main avionics switch.
The unit does not lransrnil. l-hc TxKey
input is
not bcing
pulled
Iow.
A weather
channel
is sclected.
'l'hc
inprrt
voltagc is too low.
Check
the'l'xKey
(mic
key)
input,
pullcd
low
fcrr transnrit.
Selcct a dillbrent
frequency, lhe unit
will nclt transrnit on
a
weather
channcl.
lncrease input supply voltage 1o
>
9
volts DC.
Mic Sensitivily
varies
Mic Levels
necd adjustrrrenl See
the
Mic
Level Adjustment
on
page
|
3
Thc sicletone
and intercorn
levels are tclo
low
or high.
Wrong
type
of
hcadsets,
or
level
neecls
adiLrstrnent.
See
the
Sidctone
Level Adjustment
on
na[c
| 2.
The
intercorn
doesn't
tirnction.
No
voice
aclivaliolr.
clr huve
lo talk
too
lclucl.
Conlrol
inout not
connected.
The
intercorn
select
input rnust
be
pulled
to
ground
to turn on the
intercclnr lirnction.
('hangc
lhe
intcrcom scluelch
threslrolcl
using
the setup firnction
described
in the
uscr's
manual.
Con'rncrrNc
ruE Fncrony
FoR AssrsrnNcE
If the SL40 unit fails
to
operate despite
troubleshooting
cffbrts.
contact
the
Gannin
AT
fbctory
fbr zrssisteutcc.
GARMIN lntcmational. lnc.
I
200
Hast I
5
l''
Strcct
Olathc. KS 66062-3426
USA
Phone:
(913)
397-8200
FAX:
(9t3\
397 8282
lr ttp://www.
garm
i
n. conr
Be
prepared
to offer
the
tbllowing
infbrn-ration about thc installation:
o
Installation
configuration
(accessories,
antenna, ...)
.
Modcl nurnber,
part
nunrber
with
nrod levels, and serial number
o
Software
version
o
Description
of
problem
r
E,fforts made to
isolate
the
problem
SL4()
I nstallat it
trt
A lantrul
2I