Apc SYMMETRA PDUM160H-B User Manual download pdf (Page 27)

990-3015-001 Symmetra PX 160 kW 400 V Operation 21

Troubleshooting

UPS Alarms

This section lists all of the alarm and status messages that might be displayed on the display interface.

A suggested corrective action is listed with each message to help to troubleshoot the problem.

Note: If a problem is reported, ensure that the system component in question is correctly

installed.

Display Message Meaning Corrective Action

Battery Charger Fault The battery charger is not

functioning properly.

Contact APC Customer Support.

Battery Fault A battery module has failed and

requires replacement.

See “How to replace a battery module” on

page 19.

Battery High Temperature

Violation

The temperature of one or more

battery units has exceeded system

specifications.

Ensure that the ambient temperature meets

the specifications of the system. If the

ambient temperature is below 40°C

(104°F). Initiate a self-test to detect any

bad battery units. Replace any bad battery

units.

Battery High Voltage Violation The battery voltage is too high and

the charger has been deactivated.

Contact APC Customer Support.

Battery Monitor Card Fault The battery monitor card has failed. See “How to replace a power management

peripheral” on page 18.

Battery Monitor Card Removed The battery monitor card has been

removed.

If the battery monitor card has not been

removed, check that is has been properly

inserted.

Bypass Relay Stuck in Bypass

Mode

The system is stuck in bypass mode

and cannot return to normal

operation.

Check the static bypass switch. Contact

APC Customer Support.

Bypass Relay Stuck in Online

Mode

The system is stuck in online mode

and cannot go into bypass.

Check the static bypass switch. Contact

APC Customer Support.

Communication Lost While On

Battery

Internal communications in the

system have failed.

Contact APC Customer Support.

Discharged Battery The UPS is online and the battery

charge is low.

No corrective action necessary. Note: If the

input voltage fails, runtime will be limited.

Extended Run Frame Fault One of the battery frames has failed. Contact APC Customer Support.

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