APC Network Management Card AP9619 User Manual download pdf (Page 32)

Troubleshooting – How to Obtain Orderable Parts

28 Smart-UPS® VT ISX 20-30 kVA, 208/220/480V Operation 990-2819

Load Is No Longer

Above Alarm Threshold.

The load previously exceeded the

alarm threshold and the situation has

been corrected either because the load

decreased or the threshold was

increased.

No corrective action necessary.

Load Power Is Above

Alarm Limit.

The load has exceeded the user-

specified load alarm threshold.

Option 1: Use the display interface to

raise the alarm threshold.

Option 2: Reduce the load.

Mains Not Available.

Input Freq/Volt Out of

Range.

The frequency or voltage is out of

acceptable range for normal

operation.

Correct the input voltage to provide

acceptable voltage or frequency.

Min Runtime Restored. The system runtime dropped below

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 corrective action necessary.

No Batteries Are

Connected.

No battery power is available. Check that batteries are inserted

properly.

Number of Battery

Modules Decreased.

One or more battery modules were

removed.

No corrective action necessary.

Number of Battery

Modules Increased.

One or more battery modules were

added.

No corrective action necessary.

Replace Batt(s). One or more Battery Modules need

replacement (only applicable with

internal batteries).

Refer to Module Replacement section

for procedures.

Runtime Is Below Alarm

Threshold.

The predicted runtime is lower than

the user-specified minimum runtime

alarm threshold. Either the battery

capacity has decreased, or the load

has increased.

Option 1: Allow the battery modules

to recharge.

Option 2: If possible, increase the

number of battery modules.

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

side. The UPS will continue to supply

conditioned power, but bypass is

unavailable.

An electrician should check that the

UPS has been wired properly.

Shutdown Due To Low

Battery.

The UPS was in Battery Operation

and shut down the load when no more

battery power was available.

No corrective action necessary.

Note: If the problem reoccurs, con-

sider increasing the battery capacity.

Static Bypass Switch

Fault.

The Static Bypass Switch has failed. Contact APC Customer Support. See

rear cover.

Display message Meaning Corrective action

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