MGE UPS Systems 3, 4 !

1. Fault The UPS is operating The UPShas detected a The UPShas detected an

Detected normally. No faults new operating fault. The operating fault that has been

(yellow) have been detected. FAULT indicator will continue acknowledged by the user.

to flash until the fault has

been acknowledged by

pressing the grey silence

alarm button.

2. Replace The UPS batter y is O.K. The result of the last battery

Battery test indicates that the UPS

(red) battery cannot provide at least

half of its rated run time. The

battery should be replaced.

This could also indicate an

inverter problem.

3. Battery The UPS battery is The charger is not operating The UPS battery is not yet

Charging charged within 80% of proper ly. Check that the fully charged and cannot

Indicator its full capacity. battery module power cord deliver its full rated run time if

(green) is plugged into a source a power failure occurs.

other than the UPS itself.

4. Output The UPS is capable of The UPS is heavily The UPS is slightly over-loaded.

Overload supporting the load overloaded. Automatic The UPS will continue to sup-

(yellow) connected to it. shutdown is imminent. port the load but it may not be

able to provide its full rated run

time if the UPShas to run on

battery power. Reduce the load.

5. Utility Utility power is not Utility power is present but Utility power is present, stable

Power connected to the UPS. is either unstable or the line and within acceptable voltage

Present voltage is too high or too low limits. In this state, the UPS

(green) to allow operation in utility will be operating on utility

power mode. In this state, power mode.

the UPS will normally be

operating on battery power.

6. Inverter The UPS is not The UPSis operating on The UPS is operating on

on/UPS operating on battery battery power and battery power. The inverter

on battery power. The inverter is performing its periodic is running.

power turned off. inverter/battery test. The

(green) battery test is started once

every 28 days of operation

and lasts for up to 60

seconds.