GE SX TRANSISTOR CONTROL IC3645SR4U404N2 Installation And Operation Manual page 49

DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL
PUMP
STATUS CODE
Power Transistor (Q1) did not
-144
turn off properly.
MEMORY RECALL
CORRECTIVE ACTIONS
YES
SYMPTOM
Circuits valid
With no pump contactor, control
for
may run continuously.
Pump
Controller POSSIBLE CAUSE
Control is defective.
=Replace controller unit.
PUMP
DESCRIPTION OF STATUS
STATUS CODE
Power Transistor (Q1) did not turn on
-145
properly.
MEMORY RECALL
YES
SYMPTOM
Circuits valid
With no pump contactor, the control
for
may run continuously.
Pump
POSSIBLE CAUSE
Controller
Control is defective.
=Replace controller unit.
DESCRIPTION OF
STATUS
CORRECTIVE ACTIONS
CAUSE OF STATUS INDICATION
This status code is displayed when, during pump control
operation, the transistor fails to turn off. This will result in a
PMT condition.
TROUBLE-SHOOTING DIAGRAM
FU3 KEY SWITCH
FU6
P1 P2
FU1
LINE
+
POS
POWER
-
CONNECTIONS
NEG
CAUSE OF STATUS INDICATION
This status code is displayed when during pump
control operation, the transistor fails to turn on.
TROUBLE-SHOOTING DIAGRAM
FU3 KEY SWITCH
FU6
P1 P2
FU1
LINE
+
POS
POWER
-
CONNECTIONS
NEG
TO TRACTION
P10 - BDI
P3
P21
A1
TO
TRACTION
A2
CARD
TO TRACTION
P10 - BDI
P3
P21
A1
TO
TRACTION
A2
CARD
Page 49
PY7
PY12
P19 P12 PY10
PY11
PY7
PY12
P19 P12 PY10
PY11
January 2000