MGE UPS Systems EX 7RT - Manual (Page 53)

Maintenance
4.0 Scope
Maintenance includes a troubleshooting guide of symptoms and possible solutions, Hot swapping the power module
and Battery Module, and testing scenarios.
4.1 Information Technology (IT) Network and Industrial Operating Modes
Table 4-1: Network and Industrial Modes of Operation.
Symptoms IT network mode Industrial mode
Overload, and Bypass Load is transferred to Bypass AC source. Same as I/T network mode, but AC
source in tolerance. UPS returns to normal mode if overload to the UPS does not return to
is removed. normal mode if overload
is removed.
Overload, and Bypass The UPS shuts down and load is not Load is transferred to Bypass
AC source not in tolerance. transferred to Bypass AC source. AC source with 10 milli-
seconds output break.
The UPS does not return to
normal mode if overload
is removed.
Output short circuit and Bypass The load remains powered by the UPS. Load is transferred to Bypass
AC source in tolerance. The UPS shuts down after 3 minutes AC source, the UPS returns to
if the short circuit remains normal mode if the short circuit
is removed.
Output short circuit and Bypass The load remains powered by the UPS. The load is transferred to
AC source not in tolerance. The UPS shuts down after 3 minutes Bypass AC source with
if the short circuit remains. 10 milliseconds output break.
The UPS does not return to
normal mode if the short circuit
is removed.
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