Troubleshooting

Table 5-1: Main Module and Electronics Modules M1-M4 Active Alarms continued

LCD Display

Possible Cause

Suggested Action

x Alarms

At least one electronics module

Contact Technical Support for

 

generates this alarm when it detects an

assistance.

Rectifier Input

abnormally high input current. The

 

Over Current

 

detecting module shuts down to protect

 

 

 

 

itself from damage. The UPS may have

 

 

transitioned into Automatic Bypass

 

 

mode due to the failure, depending on

 

 

the load levels present at the time of

 

 

the failure and the number of modules

 

 

affected.

 

 

This could be caused by a hardware

 

 

failure.

 

 

 

 

x Alarms

The UPS detects a Remote Emergency

Refer to the section, “Remote

 

Power Off signal. The electronics

Emergency Power Off Port,” in

Remote

modules immediately shut down and

Chapter 1 for more information.

Emergency Power

battery starts are inhibited.

 

Off

 

 

 

 

 

 

x Alarms

At least one electronics module failed

Contact Technical Support for

 

the code validation check. The code

assistance.

Software

revision currently installed is

 

Incompatibility

 

incompatible with the rest of the

 

Detected

 

system.

 

 

 

 

 

 

x Alarms

This is an alarm and a status to

This is a normal operation. This alarm

 

indicate that the UPS is currently

may be accompanied by other alarms

UPS On Battery

operating in Battery mode.

that will indicate the root cause of the

 

 

 

problem.

 

 

 

x Alarms

This is an alarm and a status to

This alarm may be accompanied by

 

indicate that the UPS is currently

other alarms that will indicate the root

UPS On Bypass

operating in Bypass mode.

cause of the problem.

 

 

 

 

x Alarms

The UPS detects that the utility source

Verify the utility power. If the problem

 

voltage is not within an acceptable

persists, contact an electrician.

Utility Fail

range.

 

 

 

 

 

 

x Alarms

The UPS detects that the utility source

Verify the utility power. If the problem

 

voltage is either not present, or so

persists, contact an electrician.

Utility Not Present

abnormally low that the UPS classifies

 

 

 

 

it as not being present.

 

 

 

 

HP Uninterruptible Power System R12000 XR Models User Guide

5-9