Emerson Liebert PEX Series User Manual page 76

Event
SENSOR A FAILURE
LP Transducer 2 Fail
NETWORK FAILURE
Low Start Pressure 1
UNIT ON
UNIT OFF
SLEEP MODE
STANDBY MODE
POWER ON
POWER OFF
Unit n disconnected (n = 1 ~ 32)
COMP 2 HIGH PRESSURE
COMP 2 LOW PRESSURE
COMP 2 HRS EXCEEDED
DSCROLL 1 SENSOR FAIL
FREECOOL TEMP SENSOR
Low Start Pressure 2
ON-OFF KEY DISABLED
LWD SENSOR FAIL
WATER LEAKAGE
Dummy 67
RAM / Battery Failure
Low Memory 1
NO CONNECTION w/Unit1
COMP 1 OVERLOAD
COMP 2 OVERLOAD
WRONG DAMPER POSITION
Dummy 074
HP 1 SENSOR FAIL
HP 2 SENSOR FAIL
COMP POWER REDUCTION ACTIVE
NO POWER
UNIT DISABLED
UNIT SHUT DOWN
Low Coil Pressure 1
Low Coil Pressure 2
Low OP Pressure 1
Low OP Pressure 2
UNIT SYNCHRONISATION
HUMIDIFIER PROBLEM
REMOTE SHUTDOWN
DEHUM HRS EXCEEDED
FC HRS EXCEEDED
C1 FREEZE PROTECTION
COMP 1 PUMPDOWN FAIL
MEMORY 1 FAIL
MEMORY 2 FAIL
HCB not connected
BMS Disconnected
COMP 2 PUMPDOWN FAIL
DIG SCROLL1 HIGH TEMP
DIG SCROLL2 HIGH TEMP
Dummy 099
RESERVED 100
RESERVED 101
RESERVED 102
Dummy 103
SMOKE DETECTED
Sensor A failure
Low pressure transducer 2 fails
Network failure
Alarm of low start pressure 1
Unit on
Unit off
Sleep mode
Standby mode
Power on
Power off
Unit n disconnected (n = 1 ~ 32)
Compressor 2 high pressure
Compressor 2 low pressure
Compressor 2 has exceeded operating time limit
digital scroll 1 sensor fails
Free cooling source sensor failure
Alarm of low Start Pressure 2
ON-OFFkey disabled
Low water level sensor fails
Water leakage alarm
Dummy alarm 067
RAM/battery failure
Low memory 1
No connection with unit 1
Compressor 1 overload
Compressor 2 overload
Wrong damper position
Dummy alarm 074
High pressuresensor 1 fails
High pressure sensor 2 fails
Compressor power reduction active
No power
Humidification/heating disabled due to unit failure
Unit shutdown due to failure
Low coil pressure 1
Low coil pressure 2
Low op pressure 1
Low op pressure 2
Unit recovers online
Humidifier failure
Remote shutdown
Dehumidifier has exceeded operating time limit
Free cooling source has exceeded operating time limit
Compressor 1 freeze protection
Compressor 1 pumpdown fails
Memory 1 fail
Memory 2 fail
Humidifier contorl board not connected
Battery management system disconnected
Compressor 2 pumpdown fails
Digital scroll 1 high temperature
Digital scroll 2 high temperature
Dummy alarm 099
Reserved 100
Reserved 101
Reserved 102
Dummy alarm 103
Smoke detected
Liebert.PEX2 Series Air Conditioner User Manual
Chapter 5 iCOM Controller
Definition
71