DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
29
June 2002
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-76
Capacitor (1C) voltage too high during
pedal up regen braking.
This status code will be displayed when the voltage at
1C exceeds 79 volts during the regenerative braking
cycle.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
During regen braking, the control will
suddenly stop regen braking.
POSSIBLE CAUSE
Batteries are overcharged.
Wrong voltage battery pack is installed
in vehicle.
Tow switch must be cycled to clear
fault.
•
Turn tow switch off for 20 seconds
and then turn tow switch back on.
POWER CONNECTIONS
TO CONTROL
POS
A1
F1
NEG
A2
F2
FIE
LD
ARM
A
T
U
R
E
A1
A2
A1
A2
F2
F1
BA
T
T
+
-
FU1 *
LINE *
400A
FU3 *
10A
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-77
Capacitor (1C) voltage too high during
pedal down motoring or pedal down
regen braking.
This status code will be displayed when the voltage at
1C exceeds 79 volts during motoring.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Batteries are overcharged.
Wrong voltage battery pack is installed
in vehicle.
Tow switch must be cycled to clear
fault.
•
Turn tow switch off for 20 seconds
and then turn tow switch back on.
POWER CONNECTIONS
TO CONTROL
POS
A1
F1
NEG
A2
F2
FIELD
AR
M
A
T
U
RE
A1
A2
A1
A2
F2
F1
BA
TT
+
-
FU1 *
LINE *
400A
FU3 *
10A
