User Guide

Nokia Customer Care Baseband Description and Troubleshooting
2115i/2116/2116i (RH-66)
Issue 1 03/2005 ©2005 Nokia Corporation Company Confidential Page 41
Mobile
Terminal is
Jammed
Page 2
Does the mobile
terminal shut down
after 32 seconds?
Has the mobile
device been fully
erased and
reflashed for this
problem?
Perform a full
erase and reflash
the mobile device.
Reflow or change
UPP and reflash.
Read mobile device
info. Is it OK?
Retest
YES
NO
YES
Measure watchdog
signal at CBusEN
interface at test
point. Is it OK?
Reflow or change
UEM and reflash.
Measure DBusEN
interface signal at
test point. Is it OK?
Reflow or change
UPP.
Measure FBusRxO
signal during mobile
device info read. Is it
OK?
Measure FBusTx
signal during mobile
device info read. Is it
OK?
Reflow or change
UEM.
Reflow or change
UPP.
Reflow or change
UEM.
NO
NO
YES
NO NO
YES
NO
YES
NO
YES
YES
Is the ESN present?
YES
Rebuild the ESN
NO