GE IC3645SR4R404U2 Installation And Operation Manual page 46

DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL
PUMP
STATUS CODE
"Look Ahead" test for T2 volts less than
-146
12% of battery volts.
MEMORY RECALL
YES
SYMPTOM:
Circuits valid
Pump control will not
for
operate.
Pump
Controller
POSSIBLE CAUSE:
Check for short circuit
from the motor
armature to the frame
of the vehicle.
Defective controller
unit.
•=Replace control.
PUMP
DESCRIPTION OF STATUS
STATUS CODE
Capacitor volts are low before the line
-151
contactor closes. (Internal card function
during precharge)
MEMORY RECALL
NO
SYMPTOM:
Line contactor does not
Circuits valid
close when Capacitor
for
does not pre-charge.
Pump
POSSIBLE CAUSE:
Controller
Defective control fuse.
•=Check control fuse for
open circuit, replace
fuse, if necessary.
Defective control.
•=Replace controller unit.
Note: Repeated
charging/discharging the
capacitors during
troubleshooting will cause
status code 51. Also do
not connect any loads to
the load side of the line
contactor.
DESCRIPTION OF STATUS
CORRECTIVE ACTIONS
+
-
CORRECTIVE ACTIONS
CAUSE OF STATUS INDICATION
This status code will be displayed when the
voltage at A2 is less than 12% of battery volts.
TROUBLE-SHOOTING DIAGRAM
FU5
KEY SWITCH
1A
FU6
P1 P18 P17
P16 P15 P9 P8
P11
LINE
FU1
POS A1
POWER CONNECTIONS
NEG A2
1A
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
FU5
KEY SWITCH
1A
FU6
P1 P18 P17
P16 P15 P9 P8
P11
LINE
FU1
+
POS A1
POWER CONNECTIONS
-
NEG A2
1A
TO
TRACTION
P10 - BDI
L
P2
P10
P6 P5
P4 P3 P14 P13 P21 P20
TO TRACTION
CARD
TO
TRACTION
P10 - BDI
L
P2
P10
P6 P5
P4 P3 P14 P13 P21 P20
TO TRACTION
CARD
Page 46
+5V FROM
TRACTION PY10
PY10 PY12
P19 P12 PY7
PY11
ACC POT
+5V FROM
TRACTION PY10
PY10 PY12
P19 P12 PY7
PY11
ACC POT
October 1998