MGE UPS Systems 4000 RT 사용자 설명서
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.
but the operation is downgraded.
If
LED
(22) is ON:
the equipments are no longer protected
by the UPS.
by the UPS.
Press the escape button (24) to stop the
audible alarm.
audible alarm.
Note :
In case of
In case of
"
MULTIPLE FAULT
"
, press the
"
Enter
"
button (27) and the scroll button (25)
to get access to further details.
In case of
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
terminals
Check AC wiring
NO POWER MODULE
The power sub-module is not inserted
Check power sub-module connections (see
section 7.1)
section 7.1)
NO BATTERY MODULE
The battery sub-module is incorrectly
connected
connected
Check battery connections (see section 7.2)
INV THERM OVERLOAD
The UPS shuts down automatically because
of a major overload.
of a major overload.
Check the power drawn by the connected
devices and disconnect any non-priority
devices.
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)
(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