117
B
a
tt
er
y
A
rm
a
tu
re
E
x
ci
ti
n
g
f
ie
ld
B
a
tt
e
ry
A
rm
at
u
re
E
x
ci
ti
n
g
f
ie
ld
Draught state
co de
Sta te description
Cause of state ind ic atio n signa l
-76
High capacitor (C) voltage when the
regenerative brake is released.
This state code will be displayed when the vo ltage at
1C is higher than 79V in the cycle perio d of
regenerative brake.
Memory
Yes
Correc tion ac tion
Tro ubleshoo ting diag ram
Draught
regu lato r
circuit active
Symptom
The contro ller stops regenerative brake
suddenly
Possible causes
Battery o vercharged
Battery pack with an improper voltage is
installed on the vehicle.
The start switch must be o perated repeatedly
to remove trou ble.
Turn off the start switch for 20s then turn it
on.
Circuit*
Positive e lectrode
Power supply wiring to controlle r
Negative electrode
Draug ht sta te
code
State description
Ca use of sta te indica tion sig nal
-77
High capacitor (1C) voltage when speeding u p
or depressing regenerative brake.
This state co de will be displayed when the voltage at
1 C is higher than 79V during operation.
Memory
Yes
Correc tion action
Troubleshooting diagram
Draught regu lato r
circuit active
Symptom
The controller does no t operate.
Possible causes
Battery o vercharged
Battery pack with an improper voltage is
installed on the vehicle.
The start switch must be o perated repeatedly to
remove trouble.
Turn off the start switch fo r 20s then turn
it on.
Circuit*
Positive e lectrode
Power supply wiring to controller
Negative electrode
