Eaton Evolution 850 Rack 1U User Manual download pdf (Page 23)

5. Maintenance

5.1 Troubleshooting

5.2 Replacing the Battery Module in the Tower Model

Safety recommendations

See Section 5.3 on Page 5—2 for safety recommendations.

Battery-module removal

The UPS must be turned as shown in the figure

opposite.

A. Remove the two screws on the left-hand side.

B. Lift and pull away the panel with the logo.

C. Pull on the two connectors to disconnect the

battery (never pull on the wires).

D. Pull the plastic tab to remove the battery.

Indication Diagnostic Correction

When the UPS is started using

button (10), all the LEDs go ON

once and the

buzzer beeps once, then LED

(14) remains ON.

The remote power off (RPO)

contact has been activated to shut

down the UPS and now prevents

restart.

Set the contact back to its normal

position and press button (24) to restart.

Button (10) and LEDs (13) and

(14) are ON and all the LEDs on

bargraph (8) flash.

The percent load is greater than

the set overload level or UPS

capacity.

Check the power drawn by the connected

devices and disconnect any non-priority

devices. Check the overload level setting.

Button (10) and LED (15) are ON

and all the LEDs on bargraph

(8) are flashing.

A critical overload has occurred

on the UPS output. If AC input

power fails, the load will not be

supplied in battery mode.

Check the power drawn by the connected

devices and disconnect any non-priority

devices.

LED (15) is ON and all the LEDs

on bargraph (11) are flashing.

A battery fault has been detected

during the automatic test.

Replace the battery module (See Section

5.2, Battery-module replacement).

LED (15) alone is ON and the

buzzer sounds continuously.

A UPS internal fault has occurred

and the load is not supplied.

Visit www.eaton.com for after-sales

support or call (800) 279-7776.

86-81700-00EN A02 - Page 21

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Eaton Evolution 850 Rack 1U User Manual Page 23

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