Silencing the alarm – Dell UPS 1920T User Manual

Page 63

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63

Troubleshooting

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Table 16. Typical Alarms and Conditions (continued)

Alarm or Condition

Action

Possible Cause

Output Short Circuit

(Alarm 58)

Continuous Alarm

The UPS has detected an
abnormally low impedance
placed on its output and
considers it a short circuit.

The UPS shuts down after five line cycles.

Heatsink Over Temperature

(Alarm 73)

Continuous Alarm

The UPS has detected that one
of its heat sinks has exceeded
the maximum defined
operating temperature. Possible
fan failure.

Ensure that the fans are spinning and that the
air intake vents on the UPS are not blocked.

Once the maximum temperature is reached,
the UPS shuts down.

Fatal EEPROM Fault

(Alarm 53)

Continuous Alarm

There is EEPROM data
corruption due to a failed
device or incorrect flash
upgrade.

Contact your service representative.

Fan Failure

(Alarm 193)

Continuous Alarm

The UPS has detected that one
or more fans are not
functioning properly.

This is an alarm only. Contact your service
representative immediately and remove the
load.

Silencing the Alarm

Press any button on the control panel to silence the alarm. Check the alarm condition and perform the
applicable action to resolve the condition. If any new alarm becomes active, the audible alarm resumes,
overriding the previously silenced alarm.

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