09/03
2-40
DC 3535/2240/1632, WC M24
3-360, 3-364
Initial issue
Status Indicator RAPs
3-360 IOT-ESS Initialization Failure
IOT driver initialization failure.
Procedure
Switch the power off then on. The problem continues.
YN
Return to Service Call Procedures.
Reinstall the software. If the problem continues, check the MCU PWB connectors (P/J Loca-
tions, Figure 15). DC 3535 only: Replace the VSEL PWB (PL 13.1). If the problem persists,
replace the MCU PWB (PL 13.1).
3-364 DMA Transfer Failure
Compression/extraction did not complete.
Procedure
Switch the power off then on. The problem continues.
YN
Return to Service Call Procedures.
Replace the RAM (PL 13.1).
Perform ADJ 9.8. If the problem continues, replace the HDD (PL 13.1).
If the problem persists, replace the ESS PWB (PL 13.1).