UPS RMH700/1000/1500
Instruction Manual
RMH Series
Page 15 of 37
6.1.2 UPS display elements
Most of the display elements only become active when the UPS is powered up
(started).
Line operation:
the UPS is operating using mains power. If the mains voltage tolerances have
been exceeded or if the mains fails completely, this indicator goes out
immediately. The same applies if the fuse is tripped.
The energy required to continue supplying the UPS output during support
operation is drawn from the battery pack.
Inverter operation:
the UPS inverter is working normally and the UPS output voltage is available.
Bypass operation:
the UPS is using the bypass operation. The UPS output is directly connected to
the mains input. This function is mainly active during the UPS startup process.
Damage to the UPS caused by high starting currents in a consumer load is thus
prevented.
The startup procedure for the UPS is complete when the bypass function
changes over after approx. 20 seconds. Then the bypass indicator light goes
out.
The bypass function is also activated if a serious equipment fault develops and
the UPS cannot continue to operate normally. This ensures that the power
supply to the UPS output is uninterrupted.
Fault operation:
Operating fault in the UPS.
The indicator light goes on if an operating fault exists in the UPS or if a short-
circuit develops at the UPS output.
Warning: the indicator bar described below operates within a dual function!
Battery level:
Capacity status of the battery pack.
As long as the UPS support operation is enabled, the capacity status of the
battery pack is displayed here. If the battery pack is fully charged, all indicators
on the indicator bar light up during support operation. As the capacity reduces,
the indicator bar goes out from right to left. When the minimum level is reached,
only the red indicator light remains on.
Load level:
UPS load status.
During on-line operation of the UPS, the indicator bar shows the load present at
