SMA Technologie AG Troubleshooting/Problem Solving
Technical Description SI5048-11:EE4206 Page 153
In emergency charge mode, you must disconnect all loads, since a bridge between
AC1 and AC2 is not detected and therefore the generator current cannot be limited.
When using a bridge, the battery current sensor is not effective.
You must manually start and stop the energy source (diesel/generator), since no
generator management device is active.
The emergency charge mode is activated in the QCG. See section 8.2 "Starting the
Quick Configuration Guide (QCG)" (Page 57) for a detailed description on how to
access the QCG. Follow the instructions there up to point 5. The emergency charge
mode is described below.
If AC1 and AC2 have been bridged, the generator should first be connected and
then started (manually). Otherwise, the magnetizing current could throw the
generator fuse. (This can also happen when switching on the relay without using
a bridge).
1. You are now in the Quick Configuration Guide (QCG).
Here you can select the following:
-"Start System"
-"New System"
- "New Battery"
- "Emerg Charge" (if you would like to charge a
deeply discharged battery using an external source,
see section 19.9 "Troubleshooting" (Page 150))
2. Select "Emerg. Start" and press <ENTER>. In the
following view, confirm using <ENTER>.
3. Now set the maximum external current, e.g. the
generator current.
4. Confirm the value using <ENTER>.
5. If you press the down arrow key, the following message
appears:
6. Confirm using <ENTER>.
01#StartMenu
Emerg. Charge ↵
OK? Y/N
Emerg. Charge ↵
#01ExtCurMax
10.0 A ↵
OK? Y/N
10.0 A ↵
INIT ECM OK
START? ↵
INIT ECM OK
START? Y/N
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