09/03
2-28
DC 3535/2240/1632, WC M24
3-333, 3-334
Initial issue
Status Indicator RAPs
3-333 IIT-ESS Communication Failure 14
Controller received check code error (parity error in UART)
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 IIT/IPS PWB connectors (P/J Loca-
tions, Figure 30). If the check is OK, replace the IIT/IPS PWB (PL 18.3).
3-334 IIT-ESS Communication Failure 15
Controller received check code error (UART framing error)
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 IIT/IPS PWB connectors (P/J Loca-
tions, Figure 30). If the check is OK, replace the IIT/IPS PWB (PL 18.3).
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