3-335 IIT-ESS Communication Failure 16
Controller received check code error (UART 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 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
3-336 IIT-ESS Communication Failure 17
Controller received check code error (reception aborted after header received).
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-
tions,
(PL
18.3).
09/03
2-29
N
Return to Service Call Procedures.
Figure
30). If the check is OK, replace the IIT/IPS PWB
(PL
18.3).
Status Indicator RAPs
3-335, 3-336