09/03
2-75
DC 3535/2240/1632, WC M24
4-605
Status Indicator RAPs
Initial issue
4-605 IOT NVM Corrupt
The system detected that the NVM of the IOT is empty.
Procedure
Switch the power off, then on. The problem continues.
YN
Return to Service Call Procedures.
Replace the MCU PWB (PL 13.1).
CAUTION
Careful replacement of the MCU NVM PWB (REP 1.15) is important to avoid serious machine
failure.
If the problem continues, replace the MCU NVM PWB (PL 13.1).