User Guide

Technical Documentation
NHB–3
PAMS
Troubleshooting
Original 26/97
Page 7
Baseband Troubleshooting
The following hints should facilitate finding the cause of the problem when the
circuitry seems to be faulty. This troubleshooting guide is divided into the fol-
lowing sections.
1. Power button fault
2. Display self test failed
3. No registration to the system
4. Audio fault
5. Flash programming; part 2
6. Flash programming; part 3
7. Flash programming; part 4
The first thing to do is to carry out a thorough visual check of the module. En-
sure in particular that:
a) there is not any mechnical damage
b) soldered joints are OK