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DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL Page 52
January 2000
PUMP
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-180
Voltage at capacitor (1C) is less than
14 volts.
This status code will be displayed when the voltage at
P1 is less than 14 volts. This occurs typically in the run
mode of operation.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
Pump control will not operate.
POSSIBLE CAUSE
(Line contactor controlled by traction
control).
Line Contactor opened up during run.
•=Check connection from P17 to Line
coil (-) for loose connection.
•=Check connection from battery (+) to
Line coil (+) for loose connection.
•=Check power connection from battery
(+) to contactor L.
•=Check for blown fuse at pump control.
•=Check for dirty contactor tips.
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
-181
Battery voltage is less than 14
volts.
This status code will be displayed when the battery voltage
measured at P1 is less than 14 volts.
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.
•=Check connection from control fuse to
pump P1 for loose connections.
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