DIAGNOSTIC STATUS CODES

SX TRANSISTOR CONTROL

Page 27

TRACTION

DESCRIPTION OF STATUS

STATUS CODE

 

-23

Motor field current is high on start up in

the reverse direction.

MEMORY RECALL

CORRECTIVE ACTIONS

NO

 

Circuits valid

SYMPTOM

for

Control will not operate.

 

Traction

POSSIBLE CAUSE

Controller

Defective control.

Replace controller unit.

 

 

CAUSE OF STATUS INDICATION

This status code will be displayed when the current draw in the motor field is too high at start up in the reverse direction.

TROUBLE-SHOOTING DIAGRAM

 

 

 

 

BRAKE SW.

 

 

FU5

P2 KEY SWITCH P1

SEATSW.

STARTSW.

FOR.SW.

REV. SW.

FU7

 

 

SP

 

TO

P5

 

 

 

 

 

 

L

 

 

 

 

FU6

ACCESSORIES

P4

 

 

 

 

P3

 

 

 

 

 

PY7

 

 

 

 

P4

 

 

PY12 P18

P17 P1 P2

P6

P3

P5

 

PY10

 

OSCILLATOR CARD

P7

P10 P9 P12 P8

 

PY11

 

LEFT CONTROL

 

 

 

LINE FU1

 

 

 

 

 

 

 

 

 

 

 

 

 

STEER

FU2

 

 

 

 

 

 

ANGLE

 

 

 

 

ACC POT

POT

 

 

 

 

 

 

+

FU4

 

 

 

 

 

 

 

BDI INTERRUPT

 

 

 

 

 

 

 

 

 

 

 

P

 

 

 

 

 

 

 

 

 

 

 

 

POS

A1

F1

FIELD

ARMATURE

NEG

A2

F2

FIELD

ARMATURE

-

 

 

POWER

 

 

 

 

 

 

POS

A1

F1

 

 

 

SP

CONNECTIONS

 

 

POWER

 

 

 

 

LEFT CONTROL

 

 

CONNECTIONS

 

 

 

 

NEG

A2

F2

 

 

RIGHT CONTROL

 

 

P

SP

 

 

 

 

 

 

 

 

 

 

TRACTION

DESCRIPTION OF STATUS

STATUS CODE

 

-24

Motor field current is high on start up in

the forward direction.

MEMORY RECALL

CORRECTIVE ACTIONS

NO

 

Circuits valid

SYMPTOM

for

Control will not operate.

 

Traction

POSSIBLE CAUSE

Controller

Defective Control.

Replace controller unit.

 

 

CAUSE OF STATUS INDICATION

This status code will be displayed when the current draw in the motor field is too high at start up in the forward direction.

TROUBLE-SHOOTING DIAGRAM

 

 

 

 

BRAKE SW.

 

 

FU5

P2 KEY SWITCH P1

SEATSW.

STARTSW.

FOR.SW.

REV. SW.

FU7

 

 

SP

 

TO

P5

 

 

 

 

 

 

L

 

 

 

 

FU6

ACCESSORIES

P4

 

 

 

 

P3

 

 

 

 

 

PY7

 

 

 

 

P4

 

 

PY12 P18

P17 P1 P2

P6

P3

P5

 

PY10

 

OSCILLATOR CARD

P7

P10 P9 P12 P8

 

PY11

 

LEFT CONTROL

 

 

 

LINE FU1

 

 

 

 

 

 

 

 

 

 

 

 

 

STEER

FU2

 

 

 

 

 

 

ANGLE

 

 

 

 

ACC POT

POT

 

 

 

 

 

 

+

FU4

 

 

 

 

 

 

 

BDI INTERRUPT

 

 

 

 

 

 

 

 

 

 

 

P

 

 

 

 

 

 

 

 

 

 

 

 

POS

A1

F1

FIELD

ARMATURE

NEG

A2

F2

FIELD

ARMATURE

-

 

 

POWER

 

 

 

 

 

 

POS

A1

F1

 

 

 

SP

CONNECTIONS

 

 

POWER

 

 

 

 

LEFT CONTROL

 

 

CONNECTIONS

 

 

 

 

NEG

A2

F2

 

 

RIGHT CONTROL

 

 

P

SP

 

 

 

 

 

 

 

 

 

 

January 2000

Page 27
Image 27
GE IC3645SR4U404N2, IC3645SP4U400N3 Motor field current is high on start up, Reverse direction, Forward direction