Iot-Ess Communication Failure 8 - Xerox DocuColor 2240 Service Manual

3-348 IOT-ESS Communication Failure 8

Controller received check code error (IOT over-run error).
Procedure
Switch the power off then on. The problem continues.
Y N
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
replace the MCU PWB (PL 13.1).
Status Indicator RAPs
3-348, 3-349
3-349 IOT-ESS Communication Failure 9
Controller received check code error (transmission aborted after header received).
Procedure
Switch the power off then on. The problem continues.
Y
Reinstall the software. If the problem continues, check the MCU PWB connectors (P/J Loca-
(PL 13.1). If the problem persists, tions,
replace the MCU PWB
09/03
2-34
N
Return to Service Call Procedures.
Figure 15). DC 3535 only: Replace the VSEL PWB
(PL 13.1).
(PL 13.1). If the problem persists,
Initial issue
DC 3535/2240/1632, WC M24