User Guide

NSB-9
Troubleshooting Instructions CCS Technical Documentation
Page 60 Nokia Corporation Issue 1 04/03
Charging fault
N
o
Charging
fault
Battery bar doesn´t
work (scroll)
Measure voltage
over V100 Is it > 3.0
Vdc?
Read BTEMP value.
(Compare it to
ambient temperature)
Is it ~25 C (0319)?
Retest
Yes
Yes
Yes
N
o
N
o
N
o
Yes
Check X101,
X102, F100, L100,
V100, C100, C101
and charger line.
Retest
Check R200. Is
it OK?
Change defected part,
recalibrate charge
current/voltage.
Yes
N
o
Yes
Re-calibrate
BTEMP and
retest.
Change defected
part
Change UEM
Change defect ,
re-calibrate and
retest
N
o
Connect
charger
(
ACP
-7)
Check X100,
C114, R202,
C220, R207 and
line. Are they OK?
Measure charger
current through F100.
Is it ~350...390mA
with ACP
-
7?
with ACP-7?