Table of Contents
5.1 Alarm display
• The RUN indicator on the wired remote controller turns from green to red.
• Alarm icon is displayed and keeps flashing.
5.2 Alarm description
ATW-RTU-12 can display any alarm from YUTAKI unit.
Following table shows alarms linked to communication issues between ATW-RTU-12 and
ATW-IOT-01 or between ATW-IOT-01 and YUTAKI Unit.
Alarm
Reason
number
YUTAKI has lost communication
77
with ATW-IOT-01
Communication between
78
ATW-IOT-01 and ATW-RTU-12
78.1
Issue on ATW-RTU-12 hardware
PMEN0651 rev.0 - 10/2023
Alarm Icon
Verify connection and avoid wire loops or electromagnetic noise. Verify
ATW-IOT-01 is powered ON.
Allocate ATW-RTU-12 closer to ATW-IOT-01.
Verify ATW-IOT-01 is powered ON.
Verify there are no structural elements creating disturbances to
communication.
Due to alarm detection timers difference between YUTAKI unit and
ATW-RTU-12, it may happen that ATW-RTU-12 shows alarm 78 but
YUTAKI has still not reached alarm detection conditions.
Replace ATW-RTU-12
Alarm Code
Troubleshooting
5
37
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