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DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL Page 49
January 2000
PUMP
STATUS CODE
DESCRIPTION OF
STATUS
CAUSE OF STATUS INDICATION
-144
Power Transistor (Q1) did not
turn off properly.
This status code is displayed when, during pump control
operation, the transistor fails to turn off. This will result in a
PMT condition.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
With no pump contactor, control
may run continuously.
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
PUMP
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-145
Power Transistor (Q1) did not turn on
properly.
This status code is displayed when during pump
control operation, the transistor fails to turn on.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
With no pump contactor, the control
may run continuously.
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