54 Chapter 5 iCOM Controller
Liebert. PEX+Series Precision Air Conditioner User Manual
Event
Definition
FEEDBACK SIGNAL 1 FAILURE
Feedback signal 1 failure
SUPPLY CW SENSOR FAILURE
Supply chilled water sensor failure
RETURN CW SENSOR FAILURE
Return chilled water sensor failure
SUPPLY REF SENSOR FAILURE
Supply refrigerant sensor failure
RETURN REF SENSOR FAILURE
Return refrigerant sensor failure
VALVE HRS EXCEEDED
Valve has exceeded operating time limit
COMP 1A HIGH PRESSURE
Compressor 1A high pressure
COMP 1B HIGH PRESSURE
Compressor 1B high pressure
COMP 2A HIGH PRESSURE
Compressor 2A high pressure
COMP 2B HIGH PRESSURE
Compressor 2B high pressure
COMP 1A HRS EXCEEDED
Compressor 1A has exceeded operating time limit
COMP 1B HRS EXCEEDED
Compressor 1B has exceeded operating time limit
COMP 2A HRS EXCEEDED
Compressor 2A has exceeded operating time limit
COMP 2B HRS EXCEEDED
Compressor 2B has exceeded operating time limit
COMP 1A SHORT CYCLE
Compressor 1A short cycle
COMP 1B SHORT CYCLE
Compressor 1B short cycle
COMP 2A SHORT CYCLE
Compressor 2A short cycle
COMP 2B SHORT CYCLE
Compressor 2B short cycle
HIGH SUPPLY TEMPERATURE
High supply temperature
LOW SUPPLY TEMPERATURE
Low supply temperature
HIGH RETURN HUMIDITY
High return humidity
LOW RETURN HUMIDITY
Low return humidity
NOISE RED MODE STARTED
Noise reduced mode started
NOISE RED MODE STOPPED
Noise reduced mode stopped
RACK SENSOR 1~10 FAILURE
Rack sensor 1 ~ 10 failure
HIGH RETURN TEMPERATURE
High return temperature
ROOM HUMIDITY PROBLEM
Room humidity problem
iCOM-DO #0 ~ #2 DISCONNECTED
iCOM-do #0 ~ #2 disconnected
FEEDBACK SIGNAL 2 FAILURE
Feedback signal 2 failure
BOTTOM FAN FAILURE
Bottom fan failure
EC FAN FAULT
EC fan fault