Liebert PowerSure PS400-60S - Manual (Page 5)

5
OPERATING INSTRUCTIONS
1. Check that all power connections to and from the unit are secure and fitted
with
the correct cables.
2. Press the UPS ON/OFF Button (1) to ON.
3. Switch your equipment ON at their respective power switch(es).
4. Check the condition of the UPS front panel LED's. The 250VA AC LED (4)
should be lit. For the 400/600 VA models, the AC LED (4) should be lit, and
the Check and Battery LED's (3 & 2) should be unlit.
5. Check the operation of your equipment. It should display normal operational
conditions.
6. If any function provides an abnormal condition, refer to the troubleshooting
guide later in this manual. If a problem persists, consult your dealer or call
Tech Support at 1-800-222-5877.
STARTING FROM BATTERY (400/600 VA only): Turn OFF UPS. Press and
hold BATTERY TEST button (5) for 4 seconds. Switch ON UPS and release
BATTERY TEST button (5). UPS will run in backup mode with the Battery LED
(2) lit. To stop, switch OFF at front panel.
Battery Back-up Time
250 VA Models
Back-up Time (minutes)
600 VA Models
400 VA Models