Vertiv Liebert ITA2-08KRT208, User Manual

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Vertiv | Liebert
®
ITA2
™
User Manual | 60
APPENDIX A - UPS PROMPTS AND ALARMS
A.1 Prompt Window
A prompt window is displayed during the operation of the system to alert you to certain
conditions and/or to require confirmation of a command or other operation.
Table 16 lists the
prompts and meanings.
A.2 UPS Alarm Message List
Table 17 lists all UPS alarm messages based on the Current and History menus.
Table 16 UPS prompts and meanings
Prompt Meaning
System setting is different, please
check
Appears when the parallel parameters are different.
Cannot set this on-line, please shut
down output If the user wants to change some important settings under condition of output
(output voltage, output frequency, output phase No.), the prompt will appear
Incorrect password, please input
again
Appears when the user incorrectly inputs the Settings password
Operation failed, condition is not
met Appears when the user wants to execute a certain operation but conditions are not
met
Password changed OK Appears when the user successfully change the Settings password
Fail to change password, please try
again Appears when the user tries to change the Settings password but input two different
new passwords
The time cannot be earlier than
system time Appears when the user sets the time of 'Turn on delay' or 'Turn off delay' is earlier
than the current system time.
Turn on failed, condition is not met
When users press the power button (or execute the command of 'Turn on/Turn off/to
Bypass' under 'Control' Screen), the prompt will appear
Please disconnect power, check
output: 1 phase, 3 phase, then
power UPS On Appears when the output phase is changed. The system requires the user to power
Off and check the cable connections, then power On the UPS again to guarantee the
safety.
Table 17 UPS alarm messages
Alarm message Description
Communication fail
Internal communication is abnormal; verify that the communication cables are connected
correctly.
Rectifier fault A rectifier fault has been detected.
DC/DC fault The battery charger has a fault.
DC bus abnormal The DC bus has a fault. The load will transfer to bypass if the bypass is available.
Charger fault The charger output voltage is abnormal, and the charger is Off.
Aux. power fault The auxiliary power output voltage exceeds the normal range.
Input back-feed A rectifier short circuit is detected while in Battery Mode.
Inverter fault
The inverter is Off when the inverter output voltage and current exceed the setting range.
If bypass is available, the UPS will transfer to bypass mode, otherwise the system will
power Off.
Output short Check that the output cables are not shorted.
Bypass backfeed A bypass short circuit is detected while in Battery mode.
Output off, voltage is not zero When there is no output, the system detects that the output has a voltage.