Problem and Possible Cause

Solution

The replace battery indicator is illuminated

The battery has a weak charge.

Allow the battery to recharge for at least four hours. Then, perform a self-test. If the problem persists after recharging, replace the battery.

The replacement battery is not properly

Ensure that the battery connector is securely connected.

connected.

 

The display interface has a Site Wiring Fault message

Wiring faults detected include missing ground, hot-neutral, polarity reversal, and overloaded neutral circuit.

If the UPS indicates a site wiring fault, have a qualified electrician inspect the building wiring. (Applicable for 120 V units only.)

Smart-UPS 750/1000/1500/2200/3000 VA 120/230 Vac Tower

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APC SMT1500, SUM1500RMXL2U operation manual Problem and Possible Cause, Replace battery indicator is illuminated