72 Chapter 5 iCOM Controller
Liebert.PEX2 Series Air Conditioner User Manual
Event Definition
WATER UNDER FLOOR Water leakage under floor
COND PUMP-HIGH WATER Condensing pump high water level
LOSS OF FLOW Loss of water flow
STBY GLYCOL PUMP ON Standby glycol pump on
STANDBY UNIT ON Standby unit on
HW/HG HRS EXCEEDED Hot water/hot gas has exceeded operating time limit
EL HEAT1 HRS EXCEEDED Electric heater 1 has exceeded operating time limit
EL HEAT2 HRS EXCEEDED Electric heater 2 has exceeded operating time limit
EL HEAT3 HRS EXCEEDED Electric heater 3 has exceeded operating time limit
UNIT CODE MISSING Unit code missing
UNIT CODE n MISMATCH (n = 01 ~ 18) Unit code n mismatch (n = 01 ~ 18)
FRONT DOOR OPEN Front door not closed
REAR DOOR POEN Rear door not closed
LOSS COMPRESSOR POWER Loss of compressor power
CABINET SENSOR FAIL Cabinet sensor fail
CABINET H-SENSOR FAIL Cabinet H-sensor fail
EMERGENCY DAMPER FAIL Emergency damper fails
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
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