GE SX Series

DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL Page 48
Revised May 2003
PUMP
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-142
Pump Controller “motor current
sensor” input is missing.
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.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
No power to pump motor in control range.
POSSIBLE CAUSE
Control is defective.
· Replace controller unit.
PUMP CONTROL
PLUG PL-2
P2
P1
P18
P12
P19
P20
P21
PUMP CONTROL TEMP
P7
L
P17
ACCEL POT INPUT
*
*
*
SPEED 2 SPEED 1
*
SPEED 3
*
SPEED 4
POWER CONNECTION
SUPPLIED BY CUSTOMER
*
KEY SW.
BATT (+)
P
*
FU4
FU2
LINE
CONTACTOR
*
*
ARMATURE
*
FIELD
*
PUMP CONTROL
POWER CONNECTION
A1
A2
A1
A2
A2
A1
P
N
N
BATT (-)
PUMP
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-143
Pump Controller “motor current sensor”
input is too low.
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.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
No power to pump motor in control range.
POSSIBLE CAUSE
Control is defective.
· Replace controller unit.
PUMP CONTROL
PLUG PL-2
P2
P1
P18
P12
P19
P20
P21
PUMP CONTROL TEMP
P7
L
P17
ACCEL POT INPUT
*
*
*
SPEED 2 SPEED 1
*
SPEED 3
*
SPEED 4
POWER CONNECTION
SUPPLIED BY CUSTOMER
*
KEY SW.
BATT (+)
P
*
FU4
FU2
LINE
CONTACTOR
*
*
ARMATURE
*
FIELD
*
PUMP CONTROL
POWER CONNECTION
A1
A2
A1
A2
A2
A1
P
N
N
BATT (-)