INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
Motor field current is too low during the
-49
run mode.
MEMORY RECALL
YES
SYMPTOM
Control will not operate.
Circuits valid
for
POSSIBLE CAUSE
Traction
Motor field is open circuit
Controller
Loose between control and motor field
Defective control.
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
Capacitor volts are low before the line
-51
contactor closes.
MEMORY RECALL
NO
SYMPTOM
Line contactor does not close when
Circuits valid
capacitor does not pre-charge.
for
Traction
POSSIBLE CAUSE
Controller
Defective control fuse.
•
•
Defective control.
•
CORRECTIVE ACTIONS
•
Replace motor
•
Check connections
Replace controller unit.
•
CORRECTIVE ACTIONS
Check control fuse for open circuit
condition. Replace fuse, if
necessary.
Turn key off and wait 1 minute,
then try again.
Replace controller unit.
CAUSE OF STATUS INDICATION
This status code will be displayed when the current
draw in the motor field is less than 1.3 amps and
armature current is greater than 100 amps for more
than 1.27 seconds during the run mode.
TROUBLE-SHOOTING DIAGRAM
NO GRAPHIC FOR THIS
STATUS CODE
CAUSE OF STATUS INDICATION
This status code will be displayed during "key on"
when the capacitor volts is less than 85% of battery
volts at initial key switch on.
TROUBLE-SHOOTING DIAGRAM
FU3 *
10A
LINE *
FU1 *
400A
+
-
Page 25
A1
F1
A1
A1
F1
POS
POWER CONNECTIONS
TO CONTROL
F2
NEG
A2
A2
F2
A2
Updated Sept 2019
Need help?
Do you have a question about the IC3645SR7A353E1 and is the answer not in the manual?
Questions and answers