A cold start is when you start a UPS without input power. This is useful if you need to test if the UPS is not turning on due to bad input power or if you need to turn the UPS on to operate during a power outage/failure. It’s also a good test to see if the battery in the UPS is functional (not necessarily at full charge, but holding some charge)
To cold start a Smart-UPS:
1. Turn OFF and Unplug the UPS from the wall
2. Press and HOLD the power button (Test) on the front of the UPS until you hear a long beep
3. During the long beep, let go of the TEST button. If you waited too long and the beep stopped, you’ll have to do it again
4. If you let go during the long beep, the UPS should start, go through the self test and run off battery power. The unit will beep to let you know that it’s running on batteries
5. If you’r testing to see if the wall outlet is working, you can plug the UPS back in to the wall socket, if there is acceptable power, the UPS will switch to normal operation
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