Operation

Table 7

Alarms, functions, and corrective actions (continued)

 

 

 

 

 

 

 

 

 

 

Actual

 

 

 

 

 

 

 

 

Alarm/fault

 

 

 

 

 

 

 

 

Name

 

 

 

 

 

 

 

 

Displayed

 

Description

Fault

 

 

 

 

 

On Front

 

of Alarm/

Or

Latch

Dial

Freeze

Event Log

 

Panel

 

Fault

Alarm

Mask

Mask

Mask

Mask

Meaning and Corrective Action(s)

 

 

 

 

 

 

 

 

If Auto Restart feature is installed and

 

 

 

 

 

 

 

 

enabled, and the last shutdown was due to

 

 

 

 

 

 

 

 

a failed Batt Low Transfer, the Monitor will

Auto Restart

 

Auto Restart

 

 

 

 

 

automatically attempt to perform the

 

Alarm

NO

NO

NO

YES

“normal” startup sequence when power is

Failed

 

Failed

 

 

 

 

 

 

reapplied to normal value. This alarm is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

issued if the restart could not be performed

 

 

 

 

 

 

 

 

before the Auto Restart timeout expired.

 

 

 

 

 

 

 

 

The Monitor will abort the auto restart.

 

 

 

 

 

 

 

 

An automatic retransfer will be initiated

Auto Rexfer

 

Auto

 

 

 

 

 

when the OK to Transfer condition has

 

Retransfer

Alarm

NO

NO

NO

YES

been present for 10 seconds, if the

Primed

 

 

Primed

 

 

 

 

 

overload has dropped below 100% of the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

rated load.

 

 

 

 

 

 

 

 

 

LBS Active

 

LBS Active

Alarm

NO

NO

NO

YES

The Load Bus Sync Option is active.

 

 

 

 

 

 

 

 

 

On Gen

 

On Gen Active

Alarm

NO

NO

NO

YES

A generator is supplying the system.

Active

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The Static Switch is off and the load is on

Load On UPS

Load On UPS

Alarm

NO

NO

NO

YES

UPS. Momentary display. Sets flag in the

 

 

 

 

 

 

 

 

event history log.

 

 

 

 

 

 

 

 

The critical load is being supplied power

 

 

 

 

 

 

 

 

from the bypass line, and is therefore

Load On

 

Load On

Alarm

NO

NO

NO

YES

exposed to utility power disturbances. Clear

Bypass

 

Bypass

all of the alarms before attempting to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

retransfer the load from the bypass line to

 

 

 

 

 

 

 

 

the UPS

Password

 

Password

 

 

 

 

 

The User has modified the Password.

 

Alarm

YES

NO

NO

YES

Momentary display. Sets flag in the event

Entered

 

Entered

 

 

 

 

 

 

history log.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If the Auto Restart feature is installed and

 

 

 

 

 

 

 

 

enabled, and the last shutdown was due to

 

 

 

 

 

 

 

 

a failed Batt Low Txfer, the Monitor

Auto Restart

 

Auto Restart

Alarm

NO

NO

NO

YES

automatically initiates the “normal” startup

Init

 

Initiated

sequence when the source power is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

reapplied to normal value. This alarm is

 

 

 

 

 

 

 

 

issued as notification that auto-restart has

 

 

 

 

 

 

 

 

begun. No action required.

Normal

 

Normal

Alarm

NO

NO

NO

YES

Notification that no active alarms/faults

Operation

 

Operation

exist. Sets flag in the event history log.

 

 

 

 

 

 

User Startup

 

 

 

 

 

 

 

User has initiated either a Manual or Auto

 

User Startup

Alarm

NO

NO

NO

YES

Start-up from the Start-up/Shutdown

init

 

 

 

 

 

 

 

 

screen.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The System has been notified from the OC-

Input Contact

Input Contact

Alarm

YES

YES

NO

YES

DI option that a customer alarm has been

#1

 

#1

activated. The system will substitute user-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

defined text when displaying these alarms.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The System has been notified from the OC-

Input Contact

Input Contact

Alarm

YES

YES

NO

YES

DI option that a customer alarm has been

#2

 

#2

activated. The system will substitute user-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

defined text when displaying these alarms.

 

 

 

 

 

 

 

 

 

Input Contact

Input Contact

 

 

 

 

 

The System has been notified from the OC-

Alarm

YES

YES

NO

YES

DI option that a customer alarm has been

#3

 

#3

activated. The system will substitute user-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

defined text when displaying these alarms.

 

 

 

 

 

 

 

 

 

87

Page 95
Image 95
Liebert 30-130kVA manual All of the alarms before attempting to