4. Troubleshooting
12
If GPS selftest detects an error, it is indicated by an error code listed in table 4.4.
Table 4.4 GPS selftest error codes
Errors
Error
codes
Errors
Error
codes
ROM Error
03
RAM Error and RTC Error
24
RAM Error
04
BACK UP MEMORY Error and RTC Error
30
BACK UP MEMORY Error
10
ROM Error, RAM Error and BACK UP
MEMORY Error
17
RTC (Real Time Clock) Error
20
ROM Error, RAM Error and RTC Error
27
ROM Error and RAM Error
07
ROM Error, BACK UP MEMORY Error and
RTC Error
33
ROM Error and BACK UP
MEMORY Error
13
RAM Error, BACK UP MEMORY Error and
RTC Error
34
ROM Error and RTC Error
23
ROM Error, RAM Error, BACK UP
MEMORY Error and RTC Error
37
RAM Error and BACK UP
MEMORY Error
14
Discontinuity of cable between GN-8091
and NP Board.
FF
Table 4.5 lists an error vs. defective parts.
Table 4.5
No. Error
Faulty
Parts
1 ROM
Error
U4
2 SRAM
Error
U5
3
BACK UP MEMORY Error
BT1, CR3, and surrounding
circuit on NP Board
4 RTC
Error
U1
