American Power Conversion VT ISX manual Troubleshooting Parts Replacement

Page 31

 

 

Troubleshooting – Parts Replacement

 

 

 

 

Display message

Meaning

Corrective action

 

 

 

 

 

Load Is No Longer

The load previously exceeded the

No corrective action necessary.

 

Above Alarm Threshold.

alarm threshold and the situation has

 

 

 

been corrected either because the load

 

 

 

decreased or the threshold was

 

 

 

increased.

 

 

 

 

 

 

Load Power Is Above

The load has exceeded the user-

Option 1: Use the display interface to

 

Alarm Limit.

specified load alarm threshold.

raise the alarm threshold.

 

 

 

Option 2: Reduce the load.

 

 

 

 

 

Mains Not Available.

The frequency or voltage is out of

Correct the input voltage to provide

 

Input Freq/Volt Out of

acceptable range for normal

acceptable voltage or frequency.

 

Range.

operation.

 

 

 

 

 

 

Min Runtime Restored.

The system runtime dropped below

No corrective action necessary.

 

 

the configured minimum and has

 

 

 

been restored. Additional Battery

 

 

 

Modules were installed, the existing

 

 

 

Battery Modules were recharged, the

 

 

 

load was reduced, or the threshold

 

 

 

was decreased.

 

 

 

 

 

 

No Batteries Are

No battery power is available.

Check that batteries are inserted

 

Connected.

 

properly.

 

 

 

 

 

Number of Battery

One or more battery modules were

No corrective action necessary.

 

Modules Decreased.

removed.

 

 

 

 

 

 

Number of Battery

One or more battery modules were

No corrective action necessary.

 

Modules Increased.

added.

 

 

 

 

 

 

Replace Batt(s).

One or more Battery Modules need

Refer to Module Replacement section

 

 

replacement (only applicable with

for procedures.

 

 

internal batteries).

 

 

 

 

 

 

Runtime Is Below Alarm

The predicted runtime is lower than

Option 1: Allow the battery modules

 

Threshold.

the user-specified minimum runtime

to recharge.

 

 

alarm threshold. Either the battery

Option 2: If possible, increase the

 

 

capacity has decreased, or the load

number of battery modules.

 

 

has increased.

Option 3: Reduce load.

 

 

 

Option 4: Decrease alarm threshold.

 

 

 

Contact APC Customer Support.

 

 

 

See rear cover.

 

 

 

 

 

Site Wiring Fault.

Wrong phase rotation on the input

An electrician should check that the

 

 

side. The UPS will continue to supply

UPS has been wired properly.

 

 

conditioned power, but bypass is

 

 

 

unavailable.

 

 

 

 

 

 

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.

 

rear cover.

 

 

 

 

 

990-2820A

Smart-UPS® ISX 30-40 kVA, 400V Operation

25

Image 31
Contents Operation Page About this Manual How to find updates to this manualCompanion manuals Page Contents Configuration Safety System Overview OverviewOpening front and rear doors System ComponentsUser interface front User interface area rear Battery ModuleRear cover of this manual DisplayOverview The Display Menu treeControl functions Basic display navigation principlesStatus views Select YES, Turn Load onLogging Clock set-upSelect View Statistics Display setup Alarm thresholdDiagnostics screen Vol VolumeOperation Modes OperationOperation Procedures Turn into normal operation from mechanical bypass operation Connection of Load to the PDU ConfigurationConnecting load to the PDUs Connecting 1-phase load to PDUConnecting 3-phase load to PDU PDU output breaker ratings Disconnecting load from the PDUsHow to determine if you need a replacement part Parts ReplacementHow to return parts to APC How to remove Battery Modules How to install a Battery Module How to replace a Network Management Card Display messages TroubleshootingTroubleshooting Parts Replacement Troubleshooting Parts Replacement Restart Power applicationVoltage confirmation Page 990-2820A APC Worldwide Customer Support05/2006