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18. PC-Interface
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b a l . v o l t t o o h i .
If the charger detects an excessive cell voltage at the balancer
input, this error message appears.
The error message appears at the following voltages:
LiPo > 4.3 V, LiIo > 4.2 V, LiFe > 3.9 V, NiCd / NiMH > 2.0 V
This error message may also appear if the cells connected to
the charger are overcharged.
If the charger detects an excessively low cell voltage at the
balancer input, this error message appears.
The error message appears at the following voltages:
LiPo < 2.75 V, LiIo < 2.75 V, LiFe < 2.0 V, NiCd / NiMH < 0.1V
If this should occur, we recommend that you give the battery an
initial charge for example in the LiFe Program Mode for a few
minutes (max. fi ve minutes), which allows cell voltages down
to 2.0V without connecting the balancer plug.
Warning: it may be that the battery contains damaged cells,
and the battery pack must therefore be monitored very
closely while it is being recharged. As soon as the voltage
is high enough, for safety reasons the battery must always
be charged with the balancer plug connected (explosion
and fi re hazard!).
You can download the appropriate USB serial driver CP210x_Drivers.exe for this battery charger at
www.graupner.de product search 6466.
Install this driver fi rst. You will also need a USB cable.
Connect the USB lead to the charger and to a free USB port on your PC.
PC software can be downloaded at www.graupner.de or www.logview.info.
This software enables you to display battery curves and much more.
With the fi rmware upgrader software, fi rmware upgrades can be done by the user.
When starting in NiCD/NiMH balance mode, if the balancing
connector is not connected to the balancing port of the charger,
this error should occur.
While the balancing connector is connected to the balancing
port of the charger, if the balancing connector is disconnec-
ted from the balancing port of the charger during charge or
discharge, this error should occur.
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b a l . v o l t t o o l o w
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o p e n b a l a n c e r