Network Failure
Description
UNIT XX DISCONNECTED
The iCOM I/O board assigned as U2U address number XX (two up to thirty-two) has lost communication with the group.
Make sure all units are powered-on at the disconnect.
Check cable connections and network settings where applicable.
NO CONNECTION W/UNIT 1
The iCOM I/O board assigned as U2U address number 1 has lost communication with the group.
Make sure all units are power on at the disconnect.
Check cable connections and network settings where applicable.
BMS DISCONNECT
The BMS/BAS has not completed a handshake within the time defined by the BMS/BAS.
Verify monitoring connections and communication to the BMS/BAS panel.
UNIT CODE MISSING
The factory unit code must be confirmed, saved and executed.
UNIT CODE MISMATCH
The factory unit code must be confirmed, saved and executed.
CAN GC 1 or 2 COMM ERR
See
Events Specific to Liebert MC Condenser
CAN PB COMM ERR
See
Events Specific to Liebert EconoPhase
Table 2.2 Events That Clear without Acknowledgment
2.3 Viewing the Event Log
The event log is a list by date/time of the last 400 events generated by iCOM for the thermal management unit.
•
On the User menu, touch
Event Log
. The EVENT LOG for the cooling unit opens. Table 2.3 below describes
the color coded status for each event.
NOTE: Depending on the type of thermal management unit, included components, and control settings of your
system, the options on your iCOM display may differ.
Indicator
Description
Green dot
Message.
Yellow dot
Unacknowledged warning event. See
Red dot
Unacknowledged alarm event. See
White dot with check mark overlay
Acknowledged event, the cause still exists.
White circle
Acknowledged event, the cause is cleared.
Table 2.3 Event Status/Type Indicators
Vertiv™ | Liebert® iCOM™ Installer/User Guide
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Содержание Liebert iCOM DP400/500
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