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For N5–N7–N9
If you hear a two-tone audible alarm with a flashing LED, an alarm situation has occurred.
Displayed
colour LED
Problem Cause Action
Red Flash There is a problem
with the battery
The battery is disconnected or
does not conform with the high
frequency charger
Verify the connection
If the connection is correct, check
the nominal voltage of your battery
and see if it is compatible with the
high frequency charger
Yellow flash There is a problem
with the thermal
sensor
The thermal sensor is disconnected
during the re-charge
Verify the connection of the sensor
The thermal sensor is out of range Measure the temperature of the
battery
Green flash Phase 1 and/or
phase 2 shall have
a duration in excess
of the maximum
permitted duration
The battery is not compatible with
the high frequency charger
Verify the battery capacity
Red – yellow
flash
Control logic error There is a loss of power supply
output power
Please contact your dealer
Red – green
flash
Loss of output
voltage
The battery is disconnected Check that the battery is properly
connected to the high frequency
charger
There is a failure of the control logic Please contact your dealer
Yellow –
Green flash
An unavailable
configuration has
been selected
An unavailable configuration has
been selected
Check and adjust the selected
configuration
Red – yellow –
green flash
A thermal problem
has been identified
Semiconductors are overheated Check whether the cooling screw is
still working properly
If none of these troubleshooting suggestions or solutions were helpful, please contact your local
dealer or the manufacturer.
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