DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 39
Revised May 2003
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-81
Tachometer signal is lost. This status code will be displayed when the input at
P23 is lost.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Truck regens and will not plug, and
status code 81 is displayed on dash.
POSSIBLE CAUSE
Lost input at P23.
· Verify wiring at P23 from
tachometer.
Defective tachometer.
· Replace tachometer unit.
Defective control.
· Replace controller unit.
BDI INTERRUPT TO JOY
STICK CONTROLLER
*
TRACTION CONTROL PLUG PL-2
P10
P1
P7
P13
P9
ACCEL
SWITCH
P8
P20
TEMPERATURE INPUT FROM
PUMP CONTROL; OPEN INPUT
OR VOLTAGE > 3V = BDI
SIGNAL DISABLED
P14
TEMPERATURE SENSOR
INPUT FROM TRACTION
MOTOR
TACH SIGNAL
+12V TACH
P23P22
KEY SWITCH
*
DIRECT
SWITCH
P6
BRAKE SWITCH
*
L
P17 P2
*
SEAT SWITCH
P4 P5
*
FWD
REV
*
P18
*
24V
FAN
ENABLE
FAN
P21
NEG
PARK BRAKE SWITCH
*
2.2K
2W
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-82
Traction motor is stalled. This status code will be displayed when the MPH is
less than the value of setting of Function 16 and the I
m
is greater than 370A for 3.5 seconds.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
The control will not operate and can
only be reset by cycling the
accelerator.
POSSIBLE CAUSE
· Continued operation of vehicle in
high motor current condition
· Operating control at stall motor
current for more than 3.5 seconds
· Function 16 is incorrectly adjusted
for control % on-time
o Adjust function per OEM
instructions
THE PRESENCE OF THIS STATUS CODE
SI NOT NECESSARILY INDICATIVE OF A
CONTROL ISSUE. IF FUNCTION 16 IS
NOT MIS-ADJUSTED, THE STATUS CODE
INDICATES AN APPLICATION ISSUE
WHERE A MOTOR IS BEING STALLED,
ETC. DISPLAY OF THIS STATUS CODE
SHOULD NOT TRIGGER THE RETURN OF
A CONTROL FOR REPAIR OR
REPLACEMENT.
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