DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL Page 51
January 1999
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 internal
heatsink temperature of the control exceeds 90
degrees.
MEMORY RECALL
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.
•= If control cools to ambient
temperature and the fault remains
when the control is restarted, replace
the control.
NO
GRAPHIC
FOR THIS
STATUS CODE
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:
Defective controller unit.
•=Replace control.
NO
GRAPHIC
FOR THIS
STATUS CODE
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