Vertiv Liebert iCOM DP400/500 User Manual

Event Description
GC Low Cond Temp
C1 or C2
Low refrigerant liquid line temperature
GC 1 or 2 Fan 1
through 4 FAIL
The following events may result from a fan failure alarm. Refer to the specific fan manufacturer’s literature for troubleshooting
information.
• VSD high link current
• VSD drive error
• VSD earth to ground fault
• VSD electronics heat sink thermal overload
• VSD hall failure
• VSD IGBT failure
• VSD line fault
• VSD motor locked
• VSD motor thermal overload
• VSD phase failure
• VSD-specific uncategorized alarm detected
• VSD electronics high-temperature condition
• VSD high link voltage
• VSD low link voltage
• RS-485 communications failure
GC 1 or 2 TVSS Failure TVSS alarm
Table 4.3 Events Specific to Liebert MC Condenser (continued)
Table 4.4 below, describes events available with a Liebert® EconoPhase™.
Event Description
PB1 BOARD
FAIL
An unrecoverable failure of the pump control board has occurred. Pump shut down.
• Pump board must be rebooted to reset event.
PB1 CAVITATE
SHUTDOWN
Pump has cavitated and shut down.
• Event is reset when iCOM requests a new startup.
PB1 IN PRES
SENS FAIL
Inlet refrigerant pressure sensor failure. Pump shut down.
• Event is reset when condition clears.
PB1 IN TEMP
SENS FAIL
Inlet refrigerant temperature sensor failure. Pump shut down.
• Event is reset when condition clears.
PB1 INV DATA
SHUTDOWN
Invalid data detected and pump shut down.
• Event is reset when iCOM requests a new startup.
PB1 LO DIFF
PRESSURE
Pump differential pressure fell below a lower threshold and pump shut down.
Event is reset when iCOM requests a new startup.
PB1 LO OUTLET
TEMP
Pump outlet-refrigerant temperature fell below a lower threshold and pump was shut down.
• Event is reset when iCOM requests a new startup.
Table 4.4 Events Specific to Liebert EconoPhase
Vertiv™ | Liebert® iCOM™Installer/User Guide
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Vertiv Liebert iCOM DP400/500 Specifications

General

Brand	Vertiv
Model	Liebert iCOM DP400/500
Category	Thermostat
Language	English