6/02
2-32
DC1632/2240
3-355, 3-356
Prelaunch Training/Review
Status Indicator RAPs
3-355 IOT-ESS Communication Failure 15
Controller received check code error.
Procedure
Switch the power off then on. The problem is corrected.
YN
Reinstall the software. If the problem continues, check the MCU PWB connectors. If the
check is OK, replace the MCU PWB (PL 13.1).
Return to Service Call Procedures.
3-356 IOT-ESS Communication Failure 16
Controller received check code error.
Procedure
Switch the power off then on. The problem is corrected.
YN
Reinstall the software. If the problem continues, check the MCU PWB connectors. If the
check is OK, replace the MCU PWB (PL 13.1).
Return to Service Call Procedures.