6/02
2-25
DC1632/2240
3-340, 3-341
Status Indicator RAPs
Prelaunch Training/Review
3-340 IOT-ESS Communication Failure 1
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.
3-341 IOT-ESS Communication Fail 2
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.