Initial error messages – Rackmount Solutions XRT Series User Manual

Page 30

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INITIAL ERROR MESSAGES

As soon as the UPS is first turned on, it performs a series of self tests. If
the self tests fail then the UPS will report the failure and display the fault.
If the self test passes, but the UPS was shut down previously due to a
fault, the previous fault code or message will be displayed. This feature
allows you to determine why the UPS shut down. The LCD screen will
display the words “Error Detected” on the top line of the screen, and one
of the messages in the Error Code list is shown on the second line.

Model XRT600 LED Display Error Codes

Displayed in binary code

LED

DISPLAY

POSSIBLE CAUSE

ACTION TO TAKE

ooox

Low ac input

Verify incoming ac

ooxo

Input ac to high

Verify incoming ac

ooxx

Input AC frequency out of

range for unit.

Verify incoming freq. for

this

model.

oxoo

Excessive output current

being drawn

Verify output load

matches unit.

oxox

Fan not running

Verify nothing has

gotten into the fan

oxxo

Fan or air

passages blocked

Clear air passages

oxxx

Battery pack is bad or

disconnected

Check battery voltage

and connections

xooo

UPS has had a

hardware fault

Call for service

xoox

Output voltage

is too high

Call for service

xoxo

Output voltage

is too low

Call for service

On the XRT600, these messages can be cleared by pressing the
Test/Alarm Silence button.

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