MOVETEC TBB9, User Manual

Page: 14 / 17

TBB9 User Manual
Version C March 2022
14
8. Protections
Item Protections Problems
Battery protection and
warnings
Solutions
1
Low battery capacity
protection
Battery capacity<25%
The buzzer will beep
three times
Charge the battery
2
Over discharge-current
protection
Current>16-23A
The TBB9 will be OFF
immediately; no specific
warnings
 Remove the
obstacles or solve
the interference of
mechanical issues
that may cause the
overcurrent
problems.

Turn on the TBB9
after a full charge.
3
Over discharge-low
voltage protection
Voltage <19~20V
4 Short circuit protection
The output of TBB9 or
control box has short
circuit problems
Turn on the TBB9 after a
full charge.
5 Overcharged protection

Single-cell voltage
>4.25
 Battery set voltage
>29.6V
The TBB9 will stop
charging immediately.
 The operation will
not be affected.

Replace the TBB9
when it begins to
not fully charge.