DIAGNOSTIC STATUS CODES
IT TRANSISTOR CONTROL
Page
35
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-69
The brake coil current is too high
during the run mode.
This status code will be displayed when the current in the
brake driver circuit exceeds current limit during the run mode.
The control is reset by recycling the key switch.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
•
Shorted brake coil
•
Short between wires connecting
to the brake coil
FU5
KEY SWITCH
L
SE
AT
S
W
./
CHARGE
R
S
T
AR
T
SW
.
F
O
R
W
AR
D
SW
.
R
E
V
E
R
S
E SW
.
BRAKE SW.
B
SW
1
SW
2
P1
P17
P2 P6
P9
P3
P7
P8
P4
P5
P10
P21
ACC POT
BUZZER
P18
P15
PLUG PY
CONNECTIONS
OSCILLATOR CARD
+5V
NEG
PY11
PY12
P14 P20
TACH
P12
P22
P23
RS
-23
2
FU1
POWER
CONNECTIONS
POS
A1
F1
NEG
A2
F2
FI
EL
D
ARMA
T
URE
A2
A1
FU6
LINE
+
-
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-76
Capacitor (1C) voltage too high.
This status code will be displayed when the voltage on
the capacitor goes above limit voltage* during the
regenerative braking cycle.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Line contactor opens and closes, then
opens and can only close by opening
and closing the key switch.
POSSIBLE CAUSE
•
Unplugging the battery connector
during regenerative braking.
•
Line contactor bouncing open during
regen.
•
Main power fuse opening during
regen.
•
Intermittent battery plug connection.
* Limit Voltage:
Limit Batt.
50V 36V
70V 48V
FU5
KEY SWITCH
L
SE
AT
S
W
./
CHARGE
R
S
T
AR
T
SW
.
F
O
R
W
AR
D
SW
.
R
E
V
E
R
S
E SW
.
BRAKE SW.
B
SW
1
SW
2
P1
P17
P2 P6
P9
P3
P7
P8
P4
P5
P10
P21
ACC POT
BUZZER
P18
P15
PLUG PY
CONNECTIONS
OSCILLATOR CARD
+5V
NEG
PY11
PY12
P14 P20
TACH
P12
P22
P23
RS
-23
2
FU1
POWER
CONNECTIONS
POS
A1
F1
NEG
A2
F2
FI
EL
D
ARMA
T
URE
A2
A1
FU6
LINE
+
-
November 2005