Dell UPS 5600R User Manual

Page 68

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68

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Troubleshooting

Table 15. Typical Alarms and Conditions (continued)

Alarm or Condition

Action

Possible Cause

Output Overload Level 2

(Alarm 159)

Continuous Alarm

The load level is >101% and
<110% of the UPS rating.

Remove some of the equipment from the
UPS. The UPS continues to operate, but
transfers to Fault mode in two minutes.

The alarm clears when the load drops below
5% of the set point.

Output Overload Level 3

(Alarm 162)

Continuous Alarm

The load is >110% of the UPS
rating.

Remove some of the equipment from the
UPS. The UPS continues to operate, but
transfers to Fault mode in 300 ms to one
second.

The alarm clears when the load drops below
5% of the set point.

Battery DC Over Voltage

(Alarm 68)

Continuous Alarm

Battery voltage levels have
exceeded the maximum
allowable limits.

The UPS turns off the charger until the next
power recycle. Contact your service
representative.

Charger Failure

(Alarm 34)

Continuous Alarm

A battery charger fault has been
detected.

The UPS turns off the charger until the next
power recycle. Contact your service
representative.

Inverter AC Under Voltage

(Alarm 1)

Continuous Alarm

The UPS has detected
abnormally low inverter voltage
levels.

The UPS transfers to Bypass mode if
supporting the load.

Rectifier Input Over Current

(Alarm 26)

Continuous Alarm

The UPS has detected that
rectifier input current limits
have been exceeded.

The UPS transfers to Battery mode if
supporting the load.

Inverter Output Over
Current

(Alarm 27)

Continuous Alarm

The UPS has detected that the
inverter output current limits
have been exceeded.

The UPS transfers to Bypass mode if
supporting the load.

DC Link Over Voltage

(Alarm 28)

Continuous Alarm

The link or rail voltage has
exceeded its upper threshold
limit.

The UPS transfers to Battery mode if
supporting the load.

Rectifier Fault

(Alarm 30)

Continuous Alarm

The UPS has detected a fault in
the rectifier circuit while
attempting recovery from
Bypass mode or Converter
mode.

Contact your service representative.

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