To Replace the Battery:
1.Close active programs and turn off
computers. Turn OFF the UPS and unplug it from mains supply.
2. Place UPS on its side and remove retaining screws (A) to battery door (B).
3.Open battery door (B) and remove the battery
(C) by pulling on the battery tab (D).
4.Remove terminal wires (E) from old battery.
Connect terminal wires (E) to new battery (C); the red connects to the positive terminal, the black connects to the negative. DO NOT reverse terminal connections. Slide battery
(C) into unit, and close battery door (B). Dispose of used battery properly (it contains lead and acid).
5. Plug in UPS, turn it on, and charge batteries for 8 to 10 hours.
RESETTING THE CIRCUIT BREAKER
If the UPS is overloaded, the circuit breaker (9) at the lower rear of the UPS activates to protect the UPS. If the circuit breaker activates, its center bar will extend. To reset the circuit breaker, simply push the bar back in. If the circuit breaker activates often, ask your dealer to check the UPS sizing or call Tech Support at the number listed at the end of this manual.
ALARM CONDITIONS
The 400 VA and 600 VA models sound alarms and flash visual indications at the front panel LED's (2, 3, 4) whenever they sense a power failure, low battery voltage (while on battery), an overload, or a mains overvoltage condition. The 250 VA model only sounds an alarm. Sometimes, a fault in your computer equipment may cause an overload alarm. See following page for alarm indications.
You may silence the
Refer to the first table on the next page for recommended actions when alarms occur. Check this table first before calling for assistance. It diagnoses and solves common problems, and helps prevent potential problems.
7
