Table 16. Typical Alarms and Conditions (continued)

Alarm or Condition

Possible Cause

Action

Battery test did not run or was interrupted.

One of the conditions listed in

Resolve the condition, then restart the test.

“Running Automatic Battery

 

Tests” on page 53 was not

 

present.

 

The UPS does not transfer to Bypass mode.

The bypass utility does not qualify.

Check the bypass utility. The UPS is receiving bypass utility power that may be unstable or in brownout conditions.

Bypass mode is disabled.

Check that the Bypass settings are configured

 

correctly. See “Settings” on page 41.

UPS on Bypass

The UPS is operating from

(Notice 169)

Bypass mode.

 

Continuous Alarm

 

The equipment transferred to bypass utility power. Battery mode is not available and your equipment is not protected; however, the utility power continues to be passively filtered by the UPS. Check for one of the following alarms: overtemperature, overload, or UPS failure.

On Manual Bypass

UPS was manually commanded

None.

(Notice 143)

to transfer to Bypass mode and

 

will remain in bypass until

 

Intermittent Alarm

 

commanded.

 

 

 

 

 

 

UPS on Battery

A utility failure has occurred

The UPS is powering the equipment with

(Notice 168)

and the UPS is in Battery mode.

battery power. Prepare your equipment for

 

shutdown.

Intermittent Alarm

 

 

 

 

 

 

Battery Disconnected

The UPS does not recognize the

If the condition persists, contact your service

(Alarm 199)

internal batteries.

representative.

 

 

Continuous Alarm

Battery voltage is lower than the

Verify that all batteries are properly connected.

batteries disconnected level

If the condition persists, contact your service

 

 

defined for this UPS. This may

representative.

 

be due to a blown fuse,

 

 

intermittent battery

 

 

connection, or battery cable

 

 

being disconnected.

 

Low Battery Warning

(Alarm 56)

Continuous Alarm

Battery time remaining or battery capacity is lower than the battery low warning level defined for this UPS.

This warning is approximate. The actual time to shutdown may vary depending on the UPS load and presence of an External Battery Module (EBM).

68 Troubleshooting

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Dell K803N, J728N, H950N, H967N manual Action

J728N, K803N, H950N, H967N specifications

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