Maintenance; Troubleshooting - Eaton Evolution S 1250 RT 2U Manuel D'installation Et D'utilisation

5.1

Troubleshooting

Indication
When the UPS is started using
button (24), all the LEDs go
1 ON once and the buzzer beeps
once, then LED (26) remains
ON.
Button (24) and LEDs (25) and
(26) are ON and all the LEDs on
2
bargraph (20) flash.
Button (24) and LED (27) are ON
and all the LEDs on bargraph
3
(20) are flashing.
LED (27) is ON and all the LEDs
4
on bargraph (21) are flashing.
LED (27) alone is ON and the
5
buzzer sounds continuously.
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Diagnostic
The remote power off (RPO)
contact has been activated to shut
down the UPS and now prevents
restart.
The percent load is greater than
the set overload level or UPS
capacity.
A critical overload has occurred
on the UPS output. If AC input
power fails, the load will not be
supplied in battery mode.
A battery fault has been detected
during the automatic test.
A UPS internal fault has occurred
and the load is not supplied.

5. Maintenance

Correction
Set the contact back to its normal
position and press button (24) to restart.
Check the power drawn by the connected
devices and disconnect any non-priority
devices. Check the overload level setting.
Check the power drawn by the connected
devices and disconnect any non-priority
devices.
Replace the battery module (see section
5.2, Battery-module replacement).
Visit www.eaton.com or call (800) 279-
7776. for after-sales support.
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