GE IC3645SR4U454Z2 Installation And Operation Manual page 52

DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL
PUMP
DESCRIPTION OF STATUS
STATUS CODE
Pump Controller "motor current sensor"
-143
input is too low.
MEMORY RECALL
NO
SYMPTOM:
Circuits valid
No power to pump motor in control
for
range.
Pump
Controller
POSSIBLE CAUSE:
Control is defective.
•=Replace controller unit.
PUMP
DESCRIPTION OF STATUS
STATUS CODE
Power Transistor (Q1) did not turn off
-144
properly.
MEMORY RECALL
YES
SYMPTOM:
Circuits valid
With no pump contactor, control may
for
run continuously.
Pump
Controller
POSSIBLE CAUSE:
Control is defective.
•=Replace controller unit.
CORRECTIVE ACTIONS
CORRECTIVE ACTIONS
CAUSE OF STATUS INDICATION
This status code is displayed when the voltage at the
current sensor is greater than 0.1 volts with no current
flowing in the motor circuit.
TROUBLE-SHOOTING DIAGRAM
NO
GRAPHIC
FOR THIS
STATUS CODE
CAUSE OF STATUS INDICATION
This status code is displayed when, during pump
control operation, the Q1 transistor fails to turn off.
This will result in a PMT condition.
TROUBLE-SHOOTING DIAGRAM
NO
GRAPHIC
FOR THIS
STATUS CODE
Page 52
January 1999