Dell J716N, K789N, K788N, K806N, 500W, H914N, H900N, H965N, J715N manual Troubleshooting

Page 62

Table 16. Typical Alarms and Conditions (continued)

Alarm or Condition

Possible Cause

Action

 

 

 

Input AC Over Voltage

Utility voltage exceeds the

The UPS transfers to Battery mode if

(Alarm 6)

 

maximum operating range.

supporting load.

 

 

 

Intermittent Alarm

 

 

 

 

 

Input AC Under Voltage

Utility voltage is below the

The UPS transfers to Battery mode if

(Alarm 7)

 

minimum operating range.

supporting load.

 

 

 

Intermittent Alarm

 

 

 

 

 

Input Under/Over Frequency

The utility frequency is out of

The UPS transfers to Battery mode if

(Alarm 8)

 

usable frequency range.

supporting load.

 

 

 

Intermittent Alarm

 

 

 

 

 

Site Wiring Problem

An alarm triggers when the

Have a qualified electrician correct the wiring

(Alarm 194)

difference between ground and

problem. If the UPS is not wired with a neutral

neutral voltage is >15V.

wire, Site Fault should be disabled in the

Continuous Alarm

 

Settings menu (see page 36).

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

62

Troubleshooting

 

 

Image 62
Contents Users Guide September 2009 S 164201786 Table of Contents RS-232 and USB Communication Ports Network Transient Protector Dell UPS Management SoftwareTesting Batteries UPS Status Menu Event Log MenuIntroduction Dell Tower UPSIntroduction Finding Information What are You Looking For? Find It HereSafety Warnings UPS Output PowerSafety Warnings Installation Inspecting the EquipmentUnpacking the System Unpacking the SystemIdentifying the UPS Rear Panels 100/120V Rear Panel120V Rear Panel 120V, 1500W/100V Rear Panel Identifying the UPS Front Panel Connecting the UPS Internal Battery Removing the UPS Front CoverConnect the internal battery connector see Figure External Battery Module Installation Removing the Battery Connector CoverInstalling the Battery Connector Cover Installing the UPS Typical UPS Installation 120V Model ShownUPS Initial Startup Minimum Upstream Circuit Breaker Rating UPS Output PowerPower Cord Ratings Rating Australia Optional GB2099 to C13 Connecting the Power Cord Installation Starting the UPS OperationUPS Startup and Shutdown Starting the UPS on Battery UPS ShutdownControl Panel Functions Control Button Functions Control Button SequenceStartup Screen Changing the LanguageDisplay Functions Screen Locked UPS StatusUPS General Alarms Active Battery ModeBad Battery Detected or Battery Disconnected Battery Test StatusBattery Status Screens Description Status Summary Screens Description Normal ModeStandby Mode Event Log MeasurementsControl Screens Control Screens DescriptionIdentification SettingsSettings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Retrieving the Event Log Behavior on OverloadConfiguring Load Segments Controlling Load Segments Through the DisplayConfiguring Automatic Start Delay Configuring Automatic on Battery Shutdown Configuring Battery Settings Configuring the UPS for an EBMConfiguring Automatic Battery Tests Configuring Automatic RestartRunning Automatic Battery Tests Additional UPS Features RS-232 and USB Communication PortsRS-232 Communication Port Pin Assignment GNDDell Network Management Card Optional Dell Network Management CardNetwork Transient Protector Dell UPS Management SoftwareUPS Maintenance UPS and Battery CareTransporting the UPS Disconnect the internal battery connector see Figure Storing the UPS and Batteries When to Replace BatteriesTesting Batteries Updating the UPS Firmware Specifications Electrical Input Efficiency Normal modeElectrical Output 100/120V Models 230V Models Power Levels Nominal VoltageTemperature Relative Humidity Environmental and SafetyOperating Temperature Safety ConformanceVoltage Battery ConfigurationBattery Runtimes FusesUPS Status Menu TroubleshootingAccessing Alarms and Conditions Typical Alarms and Conditions Event Log MenuAction Troubleshooting Silencing the Alarm
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J716N, 500W, H965N, H900N, J715N specifications

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