Vertiv | Liebert PEX+Chilled Water | User Manual 63
iCOM Controller Operation
Event Definition
ON-OFF KEY DISABLED ON-OFF key disabled
VALVE HRS EXCEEDED Valve has exceeded operating time limit
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
REM SENSOR 1~10 FAILURE Remote Sensor # 1~ #10 is disconnected.
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
REM SENSOR n LO TEMP (n=1~10)
The Remote Sensor # 1 ~ #10 Temperature is below the
thresh-old.
REM SENSOR n HI TEMP (n=1~10)
The Remote Sensor # 1 ~ #10 Temperature is above the
thresh-old.
REM SENS AVG LO TEMP
The Local Unit Remote Sensor Average Temperature is
below the threshold.
REM SENS AVG HI TEMP
The Local Unit Remote Sensor Average Temperature is
above the threshold.
REM SENS SYS LO TEMP
The System Remote Sensor Average Temperature is below
the threshold.
REM SENS SYS HI TEMP
The System Remote Sensor Average Temperature is above
the threshold.
DISPLAY OFF DISABLED
The display o button was set disabled but somebody
pressed it.
HUM CTRL SENSOR FAIL
The unit has hum / dehum enabled but no valid reading
from the humidity sensor.
MM CYCLE LOCK OUT
Control has entered Mixed Mode too many times in rolling
time period. Mixed Mode is locked out.
TEMP CTRL SENSOR FAIL
The value of the selected temperature control sensor is
invalid.
DAMPER FAILURE
Damper feedback not in sync: actual feedback vs. position
re-quest.
STAT PRES SENSOR FAIL Static Pressure Sensor is disconnected or signal is invalid.
LOW STATIC PRESSURE Current Static Pressure is below the threshold.
HIGH STATIC PRESSURE Current Static Pressure is above the threshold.
CW FLUSH STARTED Chilled Water Coil Flush has started.
CW FLUSH FINISHED Chilled Water Coil Flush has finished.
STATPRES OUT OF RANGE Static Pressure Sensor reading is out of defined range.