MGE UPS Systems 5000 RT - Manual (Page 28)

34008030EN/AA - Page 28
5. Troubleshooting
5.1 Troubleshooting LEDS (21) and (22)
5.2 Troubleshooting not requiring MGE UPS SYSTEMS after-sales support
If LED (21) is ON:
the equipments are protected by the UPS
but the operation is downgraded.
If LED (22) is ON:
the equipments are no longer protected
by the UPS.
Press the escape button (24) to stop the
audible alarm.
Note :
In case of
" MULTIPLE FAULT " , press the
" Enter " button (27) and the scroll button (25)
to get access to further details.
In case of
" LCM WARNING " , refer to LCM
section (see section 6).
Press the " Enter " button (27) to display the details below :
Displayed details Signification Correction
NO BATTERY The battery is incorrectly connected Check battery connections
I/O BAD CONNECTION AC source is not connected to the correct
terminals Check AC wiring
NO POWER MODULE The power sub-module is not inserted Check power sub-module connections (see
section 7.1)
NO BATTERY MODULE The battery sub-module is incorrectly
connected Check battery connections (see section 7.2)
INV THERM OVERLOAD The UPS shuts down automatically because
of a major overload. Check the power drawn by the connected
devices and disconnect any non-priority
devices.
INVERT LIMITATION Short circuit conditions on output devices Check the installation at the UPS output
(wiring, fault equipment)
21 20
22
ESC
25
LOAD PROTECTED
x.xkVA / xxx% LOADED
ENVIRONMENT FAULT
SINGLE UPS
27
24
ESC
LOAD PROTECTED
x.xkVA / xxx% LOADED
x x x x x x x x FAULT
SINGLE UPS