4.Maintenance
4.1Troubleshooting
If any of LEDs 12 , 13 or 14 flash, there is a operating anomaly or an alarm.
If a LED flashes, the bargraph data is no longer displayed.
Troubleshooting not requiring MGE UPS SYSTEMS
Indication | Signification |
|
|
LED 12 flashes and the | UPS overload. Overload is too long or too high. |
buzzer beeps. | ◗ If AC power is present and within tolerances, the UPS |
| goes to bypass mode (supply directly by the |
| source). LED 20 flashes. |
| The buzzer beeps every seconds. |
◗If AC power is not present or not within tolerances, the connected applications are no longer supplied. The buzzer sounds continuously.
LED 14 flashes. | A battery fault was detected during the automatic |
| battery test. |
|
|
The yellow LED Ê15. | The function for monitoring the phase and neutral |
flashes, the red indicator | position of your electrical network has detected a |
light 10 behind the UPS | reversal. |
comes on and the buzzer |
|
sounds continuously. |
|
Correction
Check the power drawn by the equipment and disconnect any non- priority devices.
◗Check that the battery connector is fully pushed in.
◗Replace battery module (see the Maintenance section).
Directly earthed neutral type networks: to correct cabling, unplug and turn the network socket, of the
For all other network types, de- activate the detection function (this function is only operational for directly earthed neutral electrical networks):
Press for at least 5 seconds the pushbutton 9 behind the UPS (UPS stopped and connected to the network for less than 30 minutes).
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