09/03
2-633
DC 3535/2240/1632, WC M24
103-320, 103-321
Status Indicator RAPs
Initial issue
103-320 ROM Failure
A write error has occurred in the ROM on the ESS PWB.
Procedure
Switch the power off then on. The fault is cleared.
YN
Replace the ESS PWB (PL 13.1).
Return to Service Call Procedures.
103-321 Backup SRAM Failure
A write error has occurred in the NVM on the ESS PWB.
Procedure
Switch the power off then on. The fault is cleared.
YN
Replace the ESS PWB (PL 13.1).
Return to Service Call Procedures.