MGE UPS Systems 3.5 to 21 kVA N+1 User Manual

After having thoroughly reexamined the installation and setup of the system, and still found it un-operational, user

can follow Table 3-2 to identify a problem, its cause, and recommendations for fixing it.

Display panel not illuminated

No power to system

Check AC & DC power sources.

No output voltage

SW1 not ON

Turn SW1 ON

System starts, then shuts 

Overload, or shorted 

Remove some of the load and 

down almost immediately

output.

restart the inverter.

Power module LED turn red 

Module faulted

Reset by recycling circuit breaker

Module temp. indicator on

Module fan failure

Replace module or cooling fan