Chapter 5 iCOM Controller 53
Liebert. PEX+Series Precision Air Conditioner User Manual
Event
Definition
HIGH CABINET TEMP
High cabinet temperature
LOW CABINET TEMP
Low cabinet temperature
HIGH EXT DEWPOINT
High external dewpoint
LOSS OF POWER
Loss of power
REHEAT LOCKOUT
Reheater lockout
HEAT REJ VFD
HEAT REJ VFD
HUMIDIFIER LOCKOUT
Humidifier lockout
HEAT REJ TVSS
HEAT REJ TVSS
COMPRESSOR (S) LOCKOUT
Compressor lockout
AMBIENT SENSOR FAIL
Ambient sensor fail
HUMIDIFIER LOW AMPS
Humidifier low current
COMP 1 SHORT CYCLE
Compressor 1 short cycle
COMP 2 SHORT CYCLE
Compressor 2 short cycle
HUMIDIFIER HIGH AMPS
Humidifier high current
HUMIDIFIER LOW WATER
Humidifier low water level
SYSTEM OFF REQUESTED
System off requested
SYSTEM OFF CONFIRMED
System off confirmed
C2 FREEZE PROTECTION
Compressor 2 freeze protection
FIRE ALARM
Fire alarm
HEATERS OVERHEATED
Heaters overreheated
CONDENSER 1 FAILURE
Condenser 1 failure
CONDENSER 2 FAILURE
Condenser 2 failure
HUM CYLINDER WORN
Humidifier cylinder worn
FC STOPPED FOR 1 HOUR
Free cooling stopped for 1 hour
MAINTENANCE DONE
Maintenance done
MAINTENANCE NEEDED
Maintenance needed
REDUCED ECO AIRFLOW
Reduced eco airflow
LOSS OF FLOW PUMP 1
Loss of flow pump 1
LOSS OF FLOW PUMP 2
Loss of flow pump 2
COMP 3 HIGH PRESSURE
Compressor 3 high pressure
COMP 4 HIGH PRESSURE
Compressor 4 high pressure
CONDENSATION DETECTED
Condensation detected
COMP 1 LOW PRESSURE
Compressor 1 low pressure
HIGH REF TEMPERATURE
High refrigerant temperature
LOW REF TEMPERATURE
Low refrigerant temperature
REFRIGERANT SENSOR FAIL
Refrigerant sensor fail
HIGH TEMP SENSOR B
High temperature sensor B
LOW TEMP SENSOR B
Low temperature sensor B
COMP 2 LOW PRESSURE
Compressor 2 low pressure
SENSOR B FAILURE
Sensor B failure
COMP 3 SHORT CYCLE
Compressor 3 short cycle
COMP 4 SHORT CYCLE
Compressor 4 short cycle
HIGH DEWPOINT
High dewpoint
PUMP SHORT CYCLE
Pump short cycle
Top Fan Failure
Top fan failure
CONTROL VALVE FAILURE
Control valve failure
PUMP 1 HRS EXCEEDED
Pump 1 has exceeded operating time limit
PUMP 2 HRS EXCEEDED
Pump 2 has exceeded operating time limit
COMP 3 HRS EXCEEDED
Compressor 3 has exceeded operating time limit
COMP 4 HRS EXCEEDED
Compressor 4 has exceeded operating time limit
TANDEM 1 PUMPDOWN FAIL
Tandem 1 pumpdown fail
TANDEM 2 PUMPDOWN FAIL
Tandem 2 pumpdown fail
TANDEM 1 LOW PRESSURE
Tandem 1 low pressure
TANDEM 2 LOW PRESSURE
Tandem 2 low pressure
HIGH FLUID TEMPERATURE
High fluid temperature
LOW FLUID TEMPERATURE
Low fluid temperature
FLUID SENSOR FAILURE
Fluid sensor failure
FAN FAILURE
Fan failure