DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL Page 45
PUMP
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-128
Armature current is too high during the
lift mode.
Status code displayed when the current in the
armature circuit is sustained above 400A for 70 sec.
MEMORY RE ALL C
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Continued operation of vehicle in high
motor current condition.
· Operate vehicle at lower motor
current condition for 70 seconds.
FU3
KEY SWITCH
P1 P2
FU2
POWER CONNECTIONS
POS A1
NEG A2
FIELD
ARMATURE
+
-
FU1
LINE
October 2002
PUMP
STATUS CODE
DESCRIPTION OF
STATUS
CAUSE OF STATUS INDICATION
-141
Open thermal protector (TP1) or
transistor is over temperature.
This status code is displayed when the voltage at the thermal
protector is greater than 0.8 volts.
MEMORY R CALL E
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
Reduced or no power to pump
motor in control range.
POSSIBLE CAUSE
Control is in thermal cut-back.
· Allow control to cool, status
code should disappear.
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
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