3-323 IIT-ESS Communication Failure 4
Controller received check code error (wrong message packet length in sent packet).
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 IIT/IPS PWB connectors (P/J Loca-
tions,
Figure
30). If the check is OK, replace the IIT/IPS PWB
Initial issue
DC 3535/2240/1632, WC M24
3-324 IIT-ESS Communication Failure 5
Controller received check code error (sent packet checksum error).
Procedure
Switch the power off then on. The problem continues.
Y
Reinstall the software. If the problem continues, check the IIT/IPS PWB connectors (P/J Loca-
(PL
18.3).
tions,
09/03
2-23
N
Return to Service Call Procedures.
Figure
30). If the check is OK, replace the IIT/IPS PWB
(PL
18.3).
Status Indicator RAPs
3-323, 3-324