Troubleshooting

7.1.2Audible Alarm

An audible alarm will sound in conjunction with the visual indicators to indicate a change in UPS operating status. The audible alarm will sound as described in Table 9.

Table 9

Audible alarm description

 

 

 

 

 

Condition

Alarm

 

 

Battery discharge

Half-second beep every 10 seconds

 

 

 

Low battery

 

Two half-second beeps every 5 seconds

 

 

UPS fault, load on bypass

1-second beep every 4 seconds

 

 

UPS fault, no power to load

Continuous

 

 

 

Overload

 

Half-second beep every half second

 

 

Battery replacement

2-second beep every 60 seconds

 

 

 

Battery loss

 

Continuous

 

 

Wiring problem (loss of proper grounding for UPS)

Continuous

 

 

Bypass reminder

1-second beep every 2 minutes

 

 

 

7.2Troubleshooting

In the event of an issue with the UPS, refer to Table 10 to determine the cause and solution. If the fault persists, contact Emerson® Channel Support.

Table 10 Troubleshooting table

Problem

Cause

Solution

UPS fails to start when the

UPS is short-circuited or

Ensure UPS is Off. Disconnect all loads and ensure

On/Alarm Silence/Manual

nothing is lodged in output receptacles. Ensure loads

overloaded

Battery Test button is pressed

are not defective or shorted internally.

 

 

 

 

 

UPS is not plugged in

UPS is operating from battery mode. Ensure UPS is

 

securely plugged into the wall receptacle.

 

 

 

UPS input protection fuse has

UPS is operating from battery mode. Save data and

 

close applications. Replace UPS input fuse, then restart

Battery indicator is illuminated

blown/opened

UPS.

 

 

 

 

UPS is operating from battery mode. Save data and

 

Mains power is out of tolerance

close applications. Ensure mains supply voltage is

 

 

within acceptable limits for UPS.

 

Batteries are not fully charged

Keep UPS plugged in continuously at least 24 hours to

 

recharge batteries.

 

 

UPS has reduced battery

UPS is overloaded

Check load level indicator and reduce the load on the

UPS.

backup time

 

Batteries may not be able to

Replace batteries. Contact your local dealer, Emerson

 

 

representative or Emerson Channel Support for

 

hold a full charge due to age

 

replacement battery kit.

 

 

 

 

 

Fault and Bypass indicators

 

Check load level indicator and remove non-essential

and all LED segments of

UPS is overloaded or load is

loads. Recalculate the load and reduce number of loads

battery level indicator are

faulty

connected to UPS. Check load for faults.

illuminated

 

 

 

 

 

 

 

 

Ensure UPS is not overloaded, ventilation holes are not

Fault and Bypass indicators

UPS has been shut down due

blocked and room ambient temperature is not

excessive. Wait 30 minutes to allow UPS to cool, then

and diagnostic A indicator are

to temperature condition; load

restart UPS. If UPS cannot restart, contact your local

illuminated

is on bypass power

dealer, Emerson® representative or Emerson Channel

 

 

Support.

Fault and Bypass indicators

UPS internal DC bus

UPS requires service. Contact your local dealer,

and diagnostic B indicator are

overvoltage

Emerson representative or Emerson Channel Support.

illuminated

 

 

 

 

 

Liebert® GXT3

30

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Liebert GXT3 Audible Alarm, Audible alarm description, Troubleshooting table, Condition Alarm, Problem Cause Solution