GE SX TRANSISTOR CONTROL IC3645SR4U404N2 Installation And Operation Manual page 47

DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL
PUMP DESCRIPTION OF STATUS
STATUS CODE
Armature current is too high during the
-128
lift mode.
MEMORY RECALL
YES
SYMPTOM
Circuits valid
Control will not operate.
for
POSSIBLE CAUSE
Pump
Continued operation of vehicle in high
Controller
motor current condition.
=
Operate vehicle at lower motor current
condition for 70 seconds.
PUMP
STATUS CODE
Open thermal protector (TP1) or
-141
transistor is over temperature.
MEMORY RECALL
CORRECTIVE ACTIONS
NO
SYMPTOM
Circuits valid
Reduced or no power to pump motor in
control range.
for
Pump
POSSIBLE CAUSE
Controller
Control is in thermal cut-back.
= Allow control to cool, status code
should disappear.
CORRECTIVE ACTIONS
DESCRIPTION OF
STATUS
CAUSE OF STATUS INDICATION
Status code displayed when the current in the
armature circuit is sustained above 300A for 70 sec.
TROUBLE-SHOOTING DIAGRAM
FU3
FU2
LINE FU1
+
-
CAUSE OF STATUS INDICATION
This status code is displayed when the voltage at the thermal
protector is greater than 0.8 volts.
TROUBLE-SHOOTING DIAGRAM
FU3 KEY SWITCH
FU6
P1 P2
FU1
LINE
+
POS
POWER
-
CONNECTIONS
NEG
KEY SWITCH
P1 P2
POS A1
POWER CONNECTIONS
NEG A2
TO TRACTION
P10 - BDI
P3
P21
A1
TO
TRACTION
A2
CARD
Page 47
PY7
PY12
P19 P12 PY10
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January 2000