MGE UPS Systems 3200RT User Manual

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Indication
Diagnostic
Correction
LED  27 flashes and  UPS overload. Overload is too long or too high.
Check the power drawn by the 
the buzzer beeps.
If AC power is present and within tolerances, the
equipment and disconnect any
UPS goes to bypass mode (supply directly by the
non-priority devices.
AC-power source). LED  19 flashes.
The buzzer beeps every second.
If AC power is not present or not within tolerances, 
the connected applications are no longer supplied.
The buzzer sounds continuously.
LED  25 flashes and  A battery fault was detected during the
Check that the battery connector  
the buzzer beeps.
automatic battery test.
is fully pushed in.
Replace battery module (see Maintenance section).
LED  25 flashes and
The battery has reached the theoretical end  
Reset the alarm by pressing 
the buzzer emits a 
of its service life.
buttons  22 and  23
long beep once
simultaneously for 3 seconds.
per hour.
It is advised to replace both batteries at 
See the section on maintenance.
the same time with the same rating 
as the original batteries.
The yellow LED  24
The function for monitoring the phase and neutral 
Directly earthed neutral  type 
flashes, the red 
position of your electrical network has detected a
networks: check the cabling 
indicator light  11
reversal. 
of phase and neutral on your 
behind the UPS 
electrical network.
comes on and the 
For all other network types, 
buzzer sounds
de-activate the detection function 
continuously.
(this function is only operational 
for directly earthed neutral electrical 
networks):
Press for at least 5 seconds the 
pushbutton   10 behind the UPS 
(UPS stopped and connected to the 
network for less than 30 minutes).
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If any of LEDs  25 ,  26 or  27 flash, there is a operating anomaly or an alarm.
NOTE: If a LED flashes, the bargraph data is no longer displayed.
4.1 Troubleshooting
4. Maintenance