Vertiv Liebert iCOM - Page 98

Event Description
PB2 COMMUNICATE FAIL
Ethernet communications failure. Pump not shut down.
• Event is reset when condition clears.
USB communications failure. Pump not shut down.
• Event is reset when condition clears.
PB1 COND TO PUMP
TEMP
Temperature variance from condenser 1 output to pump 1 input exceeds allowed parameters. Pump shut down.
• Event is reset when Liebert® iCOM™ requests a new start up.
PB2 COND TO PUMP
TEMP
Temperature variance from condenser 2 output to pump 2 input exceeds allowed parameters. Pump shut down.
• Event is reset when Liebert®iCOM™ requests a new startup.
MM Cycle Lock Out
Liebert® EconoPhase operating in Mixed Mode has failed to control cooling 10 times in 6 hours.
• Mixed Mode operation is disabled until the event is manually reset.
PB Cycle Lock Out
Liebert® EconoPhase in Pump Mode has failed to control cooling 5 times consecutively at full-pump-capacity temperature
conditions.
• Liebert® EconoPhase operation is disabled until the event is manually reset.
Table 4.4 Events Specific to Liebert® EconoPhase (continued)
Table 4.5 on the facing page , describes events available with the Vertiv™ Liebert® DSE compressor.
Event Description
COMP 1A OVERLOAD
Compressor overloaded.
• The corresponding compressor is disabled until the condition resets. Some external overloads may require
the device to be reset manually.
COMP 1B OVERLOAD
COMP 2A OVERLOAD
COMP 2B OVERLOAD
COMP 1A HRS EXCEEDED
Compressor run-hour limit exceeded by actual run hours.
COMP 1B HRS EXCEEDED
COMP 2A HRS EXCEEDED
COMP 2B HRS EXCEEDED
COMP 1A HIGH TEMP
High discharge temperature. Compressor is powered off.
COMP 1B HIGH TEMP
COMP 2A HIGH TEMP
COMP 2B HIGH TEMP
COMP 1A DISCH SENSOR
FAIL
Compressor discharge pressure sensor failed.
COMP 1B DISCH SENSOR
FAIL
COMP 2A DISCH SENSOR
FAIL
COMP 2B DISCH SENSOR
FAIL
Table 4.5 Events Specific to Liebert® DSE Compressor
4 Managing Events: Alarms,WarningsandMessages
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Vertiv™ Liebert® iCOM™Installer/User Guide