GE SX TRANSISTOR CONTROL IC3645SR4U404N2 - Manual (Page 21)

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 21
January 2000
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-02
Forward directional switch is closed on
initial power up. This status code will be displayed when P4 is greater
than 60% of battery voltage at initial key switch on.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate because of Static Return
to Off (SRO) lock out.
POSSIBLE CAUSE
Forward directional switch is closed on initial
start up (i.e. closure of battery, key switch or
seat switch).
• = Return directional switch lever to neutral and
then return lever to forward position.
Forward directional switch is welded closed or
mis-adjusted to be held closed.
• = Replace or adjust directional switch to insure
that it opens when the directional switch is
returned to neutral.
Short circuit between P3 and P4.
• = Disconnect the wire from P4 and check for a
short circuit between P3 and the wire that was
connected to P4.
Defective control.
• = Replace the controller unit.
KEY
SWITCH
P1 P2 P3 P17 P5
REVERSE SW
.
F
O
RWARD SW.
P4
SEAT
SW
IT
CH
P6
L
ST
ART
SW
.
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-03
Reverse directional switch is closed on
initial power up. This status code will be displayed when P5 is greater
than 60% of battery voltage at initial key switch on.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate because of Static Return
to Off (SRO) lock out.
POSSIBLE CAUSE
Reverse directional switch is closed on initial
start up (i.e. closure of battery, key switch or
seat/deadman switch).
• = Return directional switch lever to neutral and
then return lever to reverse position.
Reverse directional switch is welded closed or
mis-adjusted to be held closed.
• = Replace or adjust directional switch to insure
that it opens when the directional switch is
returned to neutral.
Short circuit between P3 and P5.
• = Disconnect the wire from P5 and check for a
short circuit between P3 and the wire that was
connected to P5.
Defective control. Replace the controller unit.
KEY
SWITCH
P1 P2 P3 P17 P5
REVERSE SW
.
F
O
RWARD SW.
P4
SEAT
SW
IT
CH
P6
L
ST
ART
SW
.