GE UNC15NJ II Technical Service Manual page 70

11. Check the plug connection at the J7 connector
on the control board.
12. Unplug the water sensor wiring at the water
sensor, and jump both the orange wires.
13. Reconnect the water supply and drain line.
14. Safely reconnect power.
If the CHECK WATER LED goes out and the ice
maker begins operating, the water sensor or water
sensor wiring circuit is the issue. Do not replace the
control board.
If the CHECK WATER
jumping the water sensor wires and the water
sensor wiring and connector at the control board is
OK, replace the control board.
Water Sensor Removal
1. Remove power to the ice maker.
2.
drain connection.
3.
from its installation.
4. Remove the top cover.
5. Unplug the wires and remove the Phillips screw
from the water sensor.
6. Remove the water sensor from the water
reservoir.
NOTE: The water sensor is made up of two stainless
steel rods with two spade connectors. Unless the
water sensor is damaged, component failure is not
likely. If an issue is suspected with the water sensor
scale build up is likely. Run the ice maker through
a cleaning cycle or remove the water sensor and
clean the sensing rods.
Water Sensor Installation
• Reverse the removal procedures.
• Check the ice maker for proper operation.
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