TROUBLESHOOTING (cont.)
REFILL CIRCUIT (cont.)
PROBLEM
Fill or refill does not shut "OFF" (ON/OFF Switch "ON")
Fill or refill does not shut "OFF" (ON/OFF Switch "OFF")
PROBABLE CAUSE
1.Lime build up on probe
2.Water Level Probe Sensing Sys- tem
3. Refill valve or control board
4.Water is too conductive for proper operation when using the factory setting of sensing thresh- old.
1. Refill valve or control board
REMEDY
Remove Probe and check for lime deposits on tip. Clean and reinstall.
Disconnect the brewer from the power source. Disconnect the J3 connector from the control board. Check for continuity from the nut on top of the level probe to pin 1 of the plug, continuity should be present. Pull the temperature probe up about an inch from the grommet. Check for continuity from the outside surface of the temperature probe and pin 4 of the plug, continuity should be present. Connect the J3 plug to the control board and proceed to step 3.
Press ON/OFF switch to "ON" (In- dicator lamp should be lit). If wa- ter continuously flows out of air vent tube, disconnect the brewer from the power source. If water flow stops, replace the control board. If water flow does not stop, repair or replace the refill sole- noid. (See page 29)
Reset the Water Sensing Thresh- old Adjustment Procedures on page 9.
If water continuously flows out of air vent tube, disconnect the brewer from the power source. If water flow does not stop, repair or replace the refill solenoid. If the valve closes when power is re- moved, replace the control board. (See page 23)
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