Maintenance
23
2.
Choose “
CANalyst-II
” for device type and “Extend” for
Frame Type, set “500Kbps” baud rate.
Keep other default
parameters. Click “OK”.
3.
Choose target upgrade file.
4.
Click “Start to Upgrade”.
5.
Upgrade succeeds when progress bar reaches 100%.
7.4 Troubleshooting
Error Indication
Error description
Error cause
Suggested actions
ALM
★
（
ALM Light
Flickers
）
0%-15%.
Low SOC.
1. There is no safety threat and
can continue discharge battery.
●
(ALM Light
on)
Protection against level
two/three discharge under
voltage.
Single cell voltage below
the threshold for
under-voltage protection.
There is over discharge risk.
User should stop discharging
and arrange recharge.
Protection against level three
charge over voltage.
Single cell voltage
exceeding threshold for
protection.
1. There is no safety threat;
2. User should stop charging.
Idle battery and it will turn to
normal.
3. After step two, battery
discharge will work normal.
Protection against level three
charge over current.
Charging current exceeding
protection threshold.
1. There is safety risk and user
should stop using battery.
2. User should contact installer
to repair PCS.
Protection against level three
discharge over current.
Discharging current
exceeding protection
threshold.
