Alpha Novus FXM 1100 Operator's Manual download pdf (Page 86)

Operational Test

Activate the FXM self-test function.1.

After passing the self-test, disconnect the AC input to the FXM to 2.

trigger the FXM into the backup (inverter) mode.

Let the FXM operate in the backup mode for approximately 10 3.

minutes.

Measure the individual battery voltages while the FXM is operat-4.

ing in the backup mode. There should be no more than 0.6 volts

difference between the highest battery voltage and the lowest

battery voltage.

Caution

One battery measuring 2 volts lower than the other 3 batteries in the

string indicates a shorted cell in that battery. Replace all 4 batteries.

Three batteries in the string measuring the same voltage and one

battery measuring several volts higher indicates an open cell in the

battery with the higher reading. Replace all 4 batteries.

Verify that there is no Low Battery Alarm.5.

Reconnect the AC input.6.

Service and Technical Support

Alpha Technologies is committed to the support of Alpha products

throughout their life. Alpha provides a full range of service products

including extended warranties, on-site service plans and battery

renewal programs. Parts, supplies and replacement or upgraded

battery packs are also available. To discuss any of your after-sales

needs, please call 1-800-667-8743 and ask for Service.

FXM UPS Operator's Manual

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Alpha Novus FXM 1100 Operator's Manual Page 86