DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
35
November 2002
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
96V 72/80V
POWER CONNECTIONS
POS
A1
F1
NEG
A2
F2
FIE
L
D
ARMAT
URE
KEY
SWITCH
L
P1
P17
P2
P6
P3
P4
P5
SEAT
SW.
ST
ART
SW.
F
O
RWARD SW.
REVERSE SW.
1A
P18
1A
P7
ACC POT
P10
BRAKE
SW.
PL-1
PL-2
PL-3
PL-4
PL-5
PL-6
PL-9
12
10
29
15
6
8
7
41
45
13
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-77
Motor current is detected during
regenerative braking.
This status code will be displayed when motoring
current is detected 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
Defective control.
•
Replace controller unit
POWER CONNECTIONS
POS
A1
F1
NEG
A2
F2
FIE
L
D
ARMAT
URE
KEY
SWITCH
L
P1
P17
P2
P6
P3
P4
P5
SEAT
SW.
ST
ART
SW.
F
O
RWARD SW.
REVERSE SW.
1A
P18
1A
P7
ACC POT
P10
BRAKE
SW.
PL-1
PL-2
PL-3
PL-4
PL-5
PL-6
PL-9
12
10
29
15
6
8
7
41
45
13