Vertiv Liebert SRC-G Series User Manual

Vertiv™ | Liebert® SRC-G | User Manual 77
Troubleshooting
Symptom Possible Cause User Needs to Check Particulars or Processing Method
Pressure sensor
failure
Pressure sensor failure
Check if the condensing pressure sensor cabling is
firmly connected or contact Vertiv representative for
maintenance support or engineering assistance
Power loss alarm
The unit is in operation and the
power is lost and then restored
Check if the power input line is in good condition
Power supply over-
voltage alarm
Power supply voltage deviates from
set value
Check if the power input line voltage is in good condition
Power supply
under-voltage
alarm
Power supply voltage deviates from
set value
Check if the power input line voltage is in good condition
Power supply
frequency oset
Power supply frequency deviates
from set value
Check if the power input line frequency is in good
condition
Power supply phase
loss alarm
Power supply phase loss Check if the power input line cabling are in good condition
Power supply
reverse phase
rotation alarm
Power supply reverse phase rotation Check if the power input line cabling are in good condition
Controller not
starting
Check fuse on transformer Replace fuse with new fuse (3 Amps fast blow)

Vertiv Liebert SRC-G Series Specifications

General

Brand	Vertiv
Model	Liebert SRC-G Series
Category	Air Conditioner
Language	English