GE CDT865SxJ0 Series Technical Service Manual page 73

Turbidity Sensor Calibration
rinse but before dry, the control will add three extra
and drain. The cycle will now advance to dry and
complete.
Replacement controls will enter a calibration at the
calibration does not occur, calibration will retry on
the next cycle, until it is completed. Calibration will
not occur on demand.
Turbidity Sensor Diagnostics
If the turbidity sensor fails open or shorted, the
circulation time that the control is programmed
for. Use Consumer Error Mode to look for Turbidity
Sensor Faults.
To check the thermistor, access the Main Control
(see To Access Main Control Board section under
Main Control Diagnostics). Check resistance on
connector J711, pin 7, YR to pin 8, RN. The sensor
may also be removed and the two outside terminals
may be checked. Use the table to the left to
calculate the correct resistance reading.
Turbidity Sensor Removal
To remove the sensor, empty the sump of water.
Disconnect the wire harness, turn the sensor
counter-clockwise and pull from the sump. To
reinstall, push in and turn clockwise.
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