Table 16. Typical Alarms and Conditions (continued)

Alarm or Condition

Possible Cause

Action

 

 

 

Output Overload

The load level is at or has

The UPS can support the load indefinitely at

(Alarm 25)

exceeded the configurable

this load level.

threshold limit for a Level 1

 

Continuous Alarm

The alarm clears when the load drops below

Overload condition.

5% of the set point.

 

 

 

 

 

 

 

 

Output Overload Level 2

The load level is >101% and

Remove some of the equipment from the

(Alarm 159)

<110% of the UPS rating.

UPS. The UPS continues to operate, but

 

transfers to Fault mode in two minutes.

Continuous Alarm

 

 

The alarm clears when the load drops below

 

 

 

 

 

 

5% of the set point.

 

 

 

Output Overload Level 3

The load is >110% of the UPS

Remove some of the equipment from the

(Alarm 162)

rating.

UPS. The UPS continues to operate, but

 

transfers to Fault mode in 300 ms to one

Continuous Alarm

 

 

second.

 

 

 

 

 

 

The alarm clears when the load drops below

 

 

 

5% of the set point.

 

 

 

Battery DC Over Voltage

Battery voltage levels have

The UPS turns off the charger until the next

(Alarm 68)

exceeded the maximum

power recycle. Contact your service

allowable limits.

representative.

Continuous Alarm

 

 

 

 

 

Charger Failure

A battery charger fault has been

The UPS turns off the charger until the next

(Alarm 34)

detected.

power recycle. Contact your service

 

representative.

Continuous Alarm

 

 

 

 

 

 

Inverter AC Over Voltage

The UPS has detected

The UPS transfers to Bypass mode if

(Alarm 0)

abnormally high inverter

supporting the load.

voltage levels.

 

Continuous Alarm

 

 

 

 

 

 

Inverter AC Under Voltage

The UPS has detected

The UPS transfers to Bypass mode if

(Alarm 1)

abnormally low inverter voltage

supporting the load.

levels.

 

Continuous Alarm

 

 

 

 

 

 

Rectifier Input Over Current

The UPS has detected that

The UPS transfers to Bypass mode if

(Alarm 26)

rectifier input current limits

supporting the load.

have been exceeded.

 

Continuous Alarm

 

 

 

 

 

 

Inverter Output Over

The UPS has detected that the

The UPS transfers to Bypass mode if

Current

inverter output current limits

supporting the load.

(Alarm 27)

have been exceeded.

 

 

 

Continuous Alarm

 

 

 

 

 

 

70

Troubleshooting

 

 

Page 70
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Dell H950N, K803N, J728N, H967N manual Troubleshooting

J728N, K803N, H950N, H967N specifications

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