Vertiv Liebert CRV4 Series User Manual

Vertiv | Liebert® CRV4 | User Manual 110
Appendix III: Alarm Menu Control Table
High pressure alarm Air loss alarm Air exhaust temp sensor fault
CP drive protection U16
(abnormal communication
with the motherboard)
Low pressure alarm
Fan detection board
communication fault
Wind pressure sensor {n} fault CP drive lock
Air exhaust high temp alarm Fan {n} fault alarm
Compressor drive
communication fault
EEV communication fault
Low superheat alarm Humidier fault alarm
Compressor drive
communication fault lock
EEV drive fault
High pressure lock alarm High water level alarm
CP drive protection U01
(inverter hardware
over-current)
Air suction temp sensor
fault
Low pressure lock alarm
Electrical heating fault
alarm
CP drive protection U02
(compressor output phase loss)
Low pressure sensor fault
Air exhaust high temp alarm Smoke detector alarm CP over-current reminder Power loss alarm
Air exhaust low superheat
lock alarm
Fire sensor alarm
CP drive protection U03
(compressor over-current)
Power phase loss alarm
High pressure abnormal alarm Lightning protection alarm
CP drive protection U04
(Input voltage phase loss)
Power supply over-voltage
alarm
Low pressure sensor fault lock Self dened 1 alarm
CP drive protection U05
(busbar voltage imbalance)
Power supply under-voltage
alarm
Supply air high temp alarm Self dened 2 alarm
CP drive protection U06 (power
component overheat shutdown)
Power frequency oset
alarm
Supply air low temp alarm Remote shutdown alarm
CP drive protection U07
(motor stall)
Power supply reverse phase
rotation alarm
Remote high temp alarm Floor overow alarm
CP drive protection U08
(DC bus over-voltage)
Teamwork address
repetition
Remote low temp alarm
Supply air temp sensor {n}
fault
CP drive protection U09
(DC bus under-voltage)
Teamwork master unit loss
Remote high humidity alarm
Supply air humidity sensor
{n} fault alarm
CP drive protection U10
(AC input over-voltage)
Teamwork slave unit loss
Remote low humidity alarm
Return air temp sensor {n}
fault alarm
CP drive protection U11
(AC input under-voltage)
Filter blockage alarm
Return air high temp alarm
Return air humidity sensor
{n} fault alarm
CP drive protection U12
(NA)
Filter maintenance reminder
Return air low temp alarm
Remote temp sensor {n}
fault alarm
CP drive protection U13
(Other fault)
Return air high humidity alarm
Remote humidity sensor {n}
fault alarm
CP drive protection U14
( temp sensor fault)
Return air low humidity alarm
High pressure sensor fault
alarm
CP drive protection U15
(drive fan fault)

Vertiv Liebert CRV4 Series Specifications

General

Brand	Vertiv
Model	Liebert CRV4 Series
Category	Air Conditioner
Language	English