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DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL Page 51
January 2000
PUMP
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-151
Capacitor volts are low before the line
contactor closes. (Internal card
function during precharge)
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.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
Pump control will not operate.
POSSIBLE CAUSE
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.
POWER
CONNECTIONS
POS A1
NEG A2
FIELD
ARMATURE
+
-
FU1
FU3
KEY SWITCH
P1 P2 P3
P12
LINE
FU6
P19P21
TO
TRACTION
CARD
SPEED LIMIT 1
SPEED LIMIT 2
SPEED LIMIT 3
TO TRACTION
P10 - BDI
PY7
PY12
PY10
PY11
PUMP
STATUS CODE
DESCRIPTION OF
STATUS
CAUSE OF STATUS INDICATION
-157
Controller “motor current
sensor” input voltage polarity
check.
This status code will be displayed when the voltage input to
motor current sensor is of the wrong polarity.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
Pump control will not operate.
POSSIBLE CAUSE
Control is defective.
•=Replace controller unit.
POWER
CONNECTIONS
POS A1
NEG A2
FIELD
ARMATURE
+
-
FU1
FU3
KEY SWITCH
P1 P2 P3
P12
LINE
FU6
P19P21
TO
TRACTION
CARD
SPEED LIMIT 1
SPEED LIMIT 2
SPEED LIMIT 3
TO TRACTION
P10 - BDI
PY7
PY12
PY10
PY11