Display Messages/Troubleshooting

This section lists the status and alarm messages that the UPS might display. The messages are listed in alphabetical order, and a suggested corrective action is listed with each alarm message to help you troubleshoot problems.

Display messages

Display message

Meaning

Corrective action

 

 

 

Automatic Self Test

The UPS has started pre-programmed

No corrective action necessary.

Started.

battery test.

 

 

 

 

Batt Temperature

The temperature of one or more bat-

Contact APC Customer Support.

Exceeded Upper Limit.

tery units has exceeded system

See rear cover.

 

specifications.

 

 

 

 

Battery over-voltage

The battery voltage is too high and

Contact APC Customer Support.

warning.

the charger has been deactivated.

See rear cover.

 

 

 

Bypass Not Available

The frequency or voltage is out of

Correct the input voltage to provide

Input Freq/Volt Out Of

acceptable range for bypass. This

acceptable voltage or frequency.

Range.

message occurs when the UPS is

 

 

online, and indicates that the bypass

 

 

mode may not be available if

 

 

required.

 

 

 

 

Discharged Battery.

The UPS is in battery operation and

No corrective action necessary. Shut

 

the battery charge is low.

down the system and the load

 

Note: Runtime is limited in duration.

equipment or restore incoming

 

 

voltage.

 

 

 

Emergency PSU Fault.

Redundant Emergency Power Supply

Contact APC Customer Support. See

 

Unit (PSU) is not working. The UPS

rear cover.

 

will continue to work normally, but

 

 

the PSU should be replaced.

 

 

 

 

EPO Activated.

Emergency Power Off Switch has

Deactivate Emergency Power Off

 

been activated.

Switch.

 

 

 

Fan fault.

A fan has failed.

Contact APC Customer Support. See

 

 

rear cover.

 

 

 

Int. Mech. Bypass

The internal mechanical switchgear is

No corrective action necessary. The

Switch Closed.

closed.

UPS is in internal mechanical bypass

 

 

operation.

 

 

 

Int. Mech. Bypass

The internal mechanical switchgear is

No corrective action necessary.

Switch Open.

open.

 

 

 

 

Low-Battery.

The UPS is in battery operation and

Shut down the system and the load

 

the battery charge is low.

equipment or restore incoming volt-

 

Note: Runtime is limited in duration.

age.

 

 

 

990-1599B Smart-UPS® VT 10-30 kVA, 208/220 V and XR Battery Enclosure Operation Manual

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American Power Conversion Smart-UPS VT, XR operation manual Display Messages/Troubleshooting, Display messages

XR, Smart-UPS VT specifications

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