Tmm Module Status Codes - GE SX Series Installation And Operation Manual

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
Tachometer signal is lost.
-81
MEMORY RECALL
YES
SYMPTOM
Truck regens and will not plug, and
Circuits valid
status code 81 is displayed on dash.
for
Traction
POSSIBLE CAUSE
Controller
Lost input at P23.
· Verify wiring at P23 from
Defective tachometer.
· Replace tachometer unit.
Defective control.
· Replace controller unit.
TRACTION DESCRIPTION OF STATUS
STATUS CODE
Traction motor is stalled.
-82
MEMORY RECALL
YES
SYMPTOM
The control will not operate and can
Circuits valid
only be reset by cycling the
for
accelerator.
Traction
Controller
POSSIBLE CAUSE
· Continued operation of vehicle in
· Operating control at stall motor
· Function 16 is incorrectly adjusted
CORRECTIVE ACTIONS
tachometer.
CORRECTIVE ACTIONS
high motor current condition
current for more than 3.5 seconds
for control % on-time
Adjust function per OEM
o
instructions
CAUSE OF STATUS INDICATION
This status code will be displayed when the input at
P23 is lost.
TROUBLE-SHOOTING DIAGRAM
*
KEY SWITCH
*
24V FAN
FAN
ENABLE
L
P1 P18 P17
TRACTION CONTROL PLUG PL-2
P9 P13
P7 P8 P10
*
ACCEL
SWITCH
BDI INTERRUPT TO JOY
STICK CONTROLLER
CAUSE OF STATUS INDICATION
This status code will be displayed when the MPH is
less than the value of setting of Function 16 and the I
is greater than 370A for 3.5 seconds.
TROUBLE-SHOOTING DIAGRAM
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.
Page 39
BRAKE SWITCH
*
2.2K
2W
FWD
REV
*
*
* DIRECT
*
SWITCH
NEG
P2
P6 P4 P5 P21
P20
P14
P22 P23
+12V TACH
TACH SIGNAL
TEMPERATURE SENSOR
INPUT FROM TRACTION
MOTOR
TEMPERATURE INPUT FROM
PUMP CONTROL; OPEN INPUT
OR VOLTAGE > 3V = BDI
SIGNAL DISABLED
Revised May 2003
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