GE SX TRANSISTOR CONTROL IC3645SR4U404N2 Benutzerhandbuch

SX TRANSISTOR CONTROL 

 

 

Page 20

 

 

 

January 2000

 

 

NONE 

Segments do not illuminate on the 
Dash Display and/or the Handset. 

No input voltage to the control card or the display unit. 

MEMORY RECALL  

 

CORRECTIVE ACTIONS 

TROUBLE-SHOOTING DIAGRAM 

 

Circuits valid 

for  

Traction 

Controller 

 
 

 
SYMPTOM 
Display screen on Dash Display and/or Handset 
is blank. 
 
POSSIBLE CAUSE 
Positive or negative control voltage is not 
present. 

•

= Insure that the key switch is closed and 

voltage is present between P1 & battery 
negative (Power Terminal “NEG”).  Also check 
for voltage between P2 and control negative. 

 
Open circuit between control card AND the Dash 
Display or Handset. 

•

= Check for an open circuit or loose connection 

going from the control and the Dash Display or 
Handset. 

 
Defective Dash Display or Handset. 

•

= Replace Dash Display or Handset. 

 

NEG

+

-

FU3

KEY

SWITCH

P1

P2

FU5

 

 

-01 

No seat switch or deadman switch 
input (no voltage to P6). 

This status code will be displayed when P6 is less 
than 50% battery volts. 

MEMORY RECALL  

 

CORRECTIVE ACTIONS 

TROUBLE-SHOOTING DIAGRAM 

 

Circuits valid 

for  

Traction 

Controller 

 
 

 
SYMPTOM 
Control will not operate. 
 
POSSIBLE CAUSE 
Mis-adjusted or defective seat or deadman 
switch. 

•

= Check to see that the seat switch closes 

properly. 

 
Open circuit between battery positive and P6. 

•

= Check for loose connections or broken wires: 

−

=

Between the seat switch and P6 

−

=

Between the key switch and the battery 
positive side of the seat switch. 

−

=

Between the seat switch and P2. 

 

•

=

On vehicles without a seat/deadman switch, 
check for a loose connection or broken wire 
from P2 and/or P6.

 

 

NEG

+

-

FU3

KEY

SWITCH

P1

P2

P6

SEAT

 SW

IT

C

H

FU5