Apc 600 User Manual download pdf (Page 20)

5.4 Audible alarms

The UPS features an audible alarm that beeps to indicate certain conditions

(see Secs. 5.4.1–5.4.4).

5.4.1 On-battery alarm

The UPS emits four short beeps every 30 seconds when the UPS is operat-

ing on battery power. You may silence this alarm by pressing the alarm

disable button (see Sec. 5.1.9). The on-battery alarm is reset when on-line

operation is resumed.

5.4.2 Low battery

The UPS beeps steadily to indicate that less than 2 minutes of power

remains before shutdown from battery exhaustion (or 5 minutes; see

Sec. 5.5.4).

5.4.3 Replace battery

The UPS emits short beeps for 1 minute if the UPS’s batteries fail the self-

test. If the UPS is left operating in this condition, the UPS emits short beeps

once every 5 hours until a successful battery test is completed.

5.4.4 Overload

The UPS emits a loud, sustained tone when overloaded. When the load

exceeds the UPS’s rating during on-line operation, the alarm sounds until

the overload is removed. If the overload occurs during on-battery opera-

tion, the alarm sounds until the UPS Enable switch on the rear panel is

turned off.

5.0 Operation

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Apc 600 User Manual Page 20