Operation – Display Messages/Troubleshooting

Display Message

Meaning

Corrective Action

 

 

 

Shutdown Due To Low

The UPS was in Battery Operation

No corrective action necessary.

Battery.

and shut down the load when no more

Note: If the problem reoccurs, con-

 

battery power was available.

sider increasing the battery capacity.

 

 

 

Static Bypass Switch

The Static Bypass Switch has failed.

Contact APC Customer Support. See

Fault.

 

back cover.

 

 

 

System Failure Detected

The system has detected an internal

Check for other alarms and contact

by Surveillance.

error.

APC customer support if the problem

 

 

persists.

 

 

 

System Start Up Config-

System configuration error. Unable to

Check for other alarms and contact

uration Failed.

determine system voltage and/or

APC customer support if the problem

 

Enclosure size.

persists.

 

 

 

System Not Synchro-

the system cannot synchronize to

Option 1: Decrease the input fre-

nized to Bypass.

bypass. Mode may not be available.

quency sensitivity.

 

 

Contact APC Customer Support

 

 

(see rear cover).

 

 

Option 2: Correct the bypass input

 

 

voltage to provide acceptable voltage

 

 

on frequency.

 

 

 

UPS In Bypass Due To

The UPS has transferred to Bypass

Contact APC Customer Support

Fault.

Mode because a fault has occurred.

(see back cover).

 

 

 

UPS In Bypass Due To

The load exceeded the power

Decrease the load.

Overload.

capacity. The UPS has switched to

 

 

Bypass Mode.

 

 

 

 

UPS Is Overloaded.

The load exceeded the system power

Option 1: Decrease the load.

 

capacity.

Option 2: Check the load distribution

 

 

on the 3 phases via the display. If the

 

 

load is unevenly distributed, adjust

 

 

the load distribution.

 

 

 

Weak Batt(s) Detected.

One or more weak batteries detected.

Replace the weak batteries.

Reduced Runtime.

 

 

 

 

 

XR Battery Breaker

The external DC disconnect switch

Activate the external DC Disconnect

Open, or Fuse Blown.

tripped. Battery power is not available

Switch or replace the blown fuse in

 

or the runtime is lower than expected.

XR Enclosure (only applicable if your

 

 

installation includes an XR

 

 

Enclosure).

 

 

 

If a problem persists, note UPS model #, serial #, and purchase date before calling APC Customer Support (the type label is located on rear cover, bottom section).

990-2359A Smart-UPS® VT 10-30kVA, 200/208V and XR Battery Enclosure Operation Guide

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American Power Conversion 200/208 V, 10-30 KVA manual Display Message Meaning Corrective Action