MGE UPS Systems 5000 RT Troubleshooting Leds 21, Equipment is no longer protected by the UPS

Troubleshooting

5.1 Troubleshooting LEDS (21) and (22)

If LED (21) is ON:

The equipment is protected by the UPS but the operation is downgraded.

If LED (22) is ON:

The equipment is no longer protected by the UPS.

5.2 Troubleshooting Not Requiring MGE UPS SYSTEMS After-Sales Support

ENVIRONMENT FAULT

27

Press the "Enter" button (27) to display the details below:

Displayed details	Signification	Correction
NO BATTERY	The battery is incorrectly connected	Check battery connections (see section 2.9)
I/O BAD CONNECTION	AC source is not connected to the	Check AC wiring
	correct terminals
NO POWER MODULE	The power sub-module is not	Check power sub-module connections
	inserted	(see section 7.1)
NO BATTERY MODULE	The battery sub-module is	Check battery connections (see section 7.2)
	incorrectly connected
INV THERM OVERLOAD	The UPS shuts down automatically	Check the power drawn by the connected devices
	because of a major overload	and disconnect any non-priority devices
INVERT LIMITATION	Short circuit conditions on output	Check the installation at the UPS output (wiring, fault
	devices	equipment)

86-87050-00 A01 Troubleshooting 5 — 1