2-12
Diagnosis mode
ELEC
–
+
Off
On
F
ast flashing
Batter
y capacity displa
y
lamp
Batter
y
capacity displa
y
lamp
Fault de
vice
Failure
Action
1 and 4 flash rapidl
y
Hold do
wn
the residual batter
y
capacity indicator button “
”
for 10 sec
onds
3
2
1
4
FET f
ailure
Replace the batter
y pac
k.
3
2
1
4
AFE f
ault
3
2
1
4
High-tem
-
per
ature
exposure
3
2
1
4
Batter
y
pac
k
failure
FET temper
ature
fault
3
2
1
4
Cells unbal
anced
3
2
1
4
Ther
mistor
fault
3
2
1
4
Ov
er
charg
ing
3
2
1
4