09/03
2-26
DC 3535/2240/1632, WC M24
3-329, 3-330
Initial issue
Status Indicator RAPs
3-329 IIT-ESS Communication Failure 10
Controller received check code error (wrong sequence number in received message packet).
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).
3-330 IIT-ESS Communication Failure 11
Controller received check code error (wrong packet number in received message packet).
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).