Trouble Shooting - Nokia NSE–3 SERIES Service Manual

PAMS
Technical Documentation

Trouble Shooting

The following hints should facility finding the cause of the problem when
the circuitry seems to be faulty. This trouble shooting instruction is di-
vided following section.
1. Phone is totally dead
2. Flash programming doesn't work
3. Power doesn't stay on or the phone is jammed
4. Display information: Contact Service
5. Phone doesn't register to the network or phone doesn't make a call.
6. Plug in SIM card is out of order ( insert SIM card or card rejected).
7. Audio fault.
8. Charging fault
The first thing to do is carry out a through visual check of the module. En-
sure in particular that:
a) there are not any mechanical damages
b) soldered joints are OK
Original, 11/97
Disassembly & Troubleshooting Instructions
NSE–3
Page 5