USER MANUAL –
M625/M325 DRIVE SYSTEM
35
B
A
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Errors - Causes and Solutions
Description
Cause
Solution
The operating display does not
light up.
Power plug is not cor-
rectly connected to the
power supply
Check that all connectors on the
charger are correctly connected to
the power supply.
The charging indicator is not lit.
The battery may be mal-
functioning.
Contact your retailer.
The charging indicator does not
glow permanently red.
The battery may be mal-
functioning.
Contact your retailer.
9.2.5 LED Display for Charging
Status and Charging
capacity
The battery must be activated before it can be
used.
When the battery is activated, long press the
button
“
“
(> 10 seconds), and the LED will be
light up one by one. After releasing the button,
the battery will enter a deep sleep state.
In the deep sleep state, press the button
“
“
(3 to 5 seconds) to activate the battery and the
LED will all light up the LED for 3 seconds.
To avoid the battery discharge from becoming
damaged, the battery management system puts
the battery into sleep mode. In sleep mode, no
function is given for technical reasons.
9.2.5.1 LED indication
When the battery is activated, press the button
“
“
(for 1 second) and the LED displays the
current power level, if the first LED flickers, it
means that the battery needs to charge. See the
table below:
Charge status indication
LED
LED state
SOC
First LED
blinks
≤ 5 %
One LED
light turns
green
5 – 20 %
2 LED lights
turn green
20 – 40%
3 LED lights
turn green
40 – 60 %
4 LED lights
turn green
60 – 80 %
5 LED lights
turn green
≥ 80 %
