Rackmount Solutions XRT Series - Manual (Page 29)

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6. TROUBLESHOOTING
If your XRT UPS does not function as you expect or if you get an error
code or message, please follow the chart outlined below before calling
your dealer or Minuteman. Make note of each problem so that we may
quickly troubleshoot and correct the problem. Please remember to have
your model and serial number before calling.
TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSE ACTION TO TAKE
No lights/menu, no alarm
(UPS not ON)
Front panel switch in off
position.
Rear panel circuit breaker
tripped.
No incoming utility. Turn on switch.
Reset circuit breaker.
Check utility input
power.
Low AC is indicated, and
UPS is not supplying power
Incoming AC is < 75% of
nominal and >72% of
nomimal On LED front panel,
press TEST/ALARM
SILENCE switch.
On LCD front panel,
press any button to go
to the battery mode.
No output, some LED’s are
on, or the LCD shows error
message.
This is an error code, and
there are many different
causes. Look up the message or
error code, and take the
appropriate action
and/or call for service.
Backup time is less than the
rating
Battery not fully charged.
1 or more dead batteries.
Load is greater than
estimated.
Charger failure. Recharge batteries for
at least 8 hours. If
problem persists, call for
service. Verify load is
correct.
The UPS appears to be
working, but has no output
voltage
Output turned off by
computer or external control. Select STATUS menu,
and search for OUTPUT
OFF message. Turn on
with SETUP menu or
cycle Power Switch.
Verify remote OFF
contact / switch is off.
UPS beeps continuously
Imminent shutdown pending.
Error code will be displayed. Look up the message or
error code, and take the
appropriate action
and/or call for service.