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SECTION 3
LEVEL 1 TROUBLESHOOTING CHART
Insert
SIM card
Switch on
No No
No
No
No
No
No
Ye s Ye s
Ye s Ye s
Ye s
Ye s
Ye s
Insert new
battery
SIM probably
defective
Level 2/3
repair
Level 1
repair
Local level 1 operation
Does the
telephone
switch on?
Does the
telephone
switch on?
Does the
telephone
log on?
Does
the original
SIM card work
on another
set?
Is a
call
possible?
Is an
incoming call
possible?
Is the
audio quality
acceptable while
a call is in
progress?
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