Alpha FXM 1100 - Page 75

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The Alpha FXM cannot provide backup battery power while the batteries are being replaced. If the line becomes
unqualified while the batteries are being replaced, the Alpha FXM shuts down and no power is provided to the
load.
Procedure
1. The Alpha FXM must be in the Line state. If it isn’t, wait until the line is qualified before proceeding.
2. Switch the Alpha FXM into the Bypass State by doing one of the following:
a. From the Alpha FXM control panel, navigate to the UPS Control Menu > INV BYPASS. Press the
SELECT button once OFF is flashing. Press the SCROLL button once ON is flashing. Press the SELECT
button once ON is displayed continuously, indicating that the Alpha FXM has been switched into the
Bypass state.
b. From the Alpha UPS Monitor main screen, go to the UPS Maintenance > Unit Configuration screen.
Switch on the Bypass Mode by clicking the ON button and then the Update Configuration button.
The Alpha FXM responds by displaying a “Bypass State” alarm. This is normal and does not indicate a
problem. It will clear itself when the Bypass state is subsequently disabled.
3. Switch off the battery circuit breaker.
4. Replace the batteries.
5. Switch on the battery circuit breaker.
6. Switch the Alpha FXM out of the Bypass state by switching the Bypass Mode OFF.