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Under exceptional conditions it is possible that the inverter is showing a 100% load
indication whereas its nominal RMS current rating is not yet attained. This is because
the inverter has reached an operating limit other than the RMS current limit. Possible
other limits are:
-
Temperature limit due to a too high ambient temperature or a failing cooling
system
-
Peak current limit due to an a-typical peak current requirement of the load
-
Peak voltage limit due to an a-typical DC-link voltage requirement of the load or
due to a high network voltage
Under all these conditions, the inverter will run in limited mode and may not attain 100%
of its nominal current rating.
9.2.2 Stopping the inverter with the ESI-Manager
In order to stop the system with the ESI-Manager follows the instructions given below:
Press
-
displayed
-
Highlight the inverter 'start/stop' menu ('ESI' item in the list). In this menu, the
'STOP' indication should be present.
-
Press
contactor will open.
-
The 'STOP' indication in the start/stop menu changes in a 'START' indication once
the inverter is stopped
Remarks:
-
If the 'start/stop' menu reads 'ACK. FAULT' (i.e. 'acknowledge fault'), the inverter
has encountered a fault. Refer to
the problem.
WARNING: In case the inverter stops operating due to a fault, very high voltages may
be present on the DC capacitors for a long time. Do not touch any live parts unless you
have ascertained that no dangerous voltage levels exist in the inverter.
-
If the inverter when activating the stop menu displays a message to indicate that
it is remote control mode, the inverter either has to be stopped by remote control
or the remote control mode has to be deactivated. More information about the
remote control functionality is given in
on the ESI-Manager repeatedly until the 'Welcome' screen is
. The inverter will ask confirmation and then it will stop. The main
Manual Energy Storage Inverter ESI-S ç Operating instructions 183
Section 9.8
and
Chapter 11
Section
6.14.1.
for troubleshooting
and
Section
7.9.2.4.
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