Troubleshooting - 123electric Smart BMS gen 3 Manual

Troubleshooting

No communication
No battery data on the app and the "E" sign
will light ON in the battery details tab of the
App. Check the flashing LEDs on the string of
cells. The position where the LEDs stop
flashing is the location of the problem. Check
wiring or replace cell modules to see which of
the two is faulty.
Forgot my password
Press and hold the blue button on the End
Board for 5 seconds. The password will be set
to the default "1234" and the Bluetooth
module will be reconfigured.
Bluetooth does not work
Make sure your phone supports Bluetooth 4.0
LE. The following steps can help to connect to
the BMS.
1. Restart the App and check in de Settings
screen if the BMS appears.
123electric
The Netherlands
E-mail: info@123electric.eu
www.123electric.eu
2. Restart your phone and open the App to
check again.
3. Try a different phone, download the
123SmartBMS app and check if you see
the BMS in the device list.
4. Press and hold the blue button on the
End Board for 5 seconds. The password
will be set to the factory default "1234"
and the Bluetooth will be reconfigured.
Indicated currents are not zero while no
current is being drawn
Make sure there is absolutely no current
flowing through the current sensors during
the zero calibration procedure.
On the Begin Board you will find a blue
button. Press and hold the blue button until
the LED flashes fast several times. Now
release the button. The calibration is done.
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