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

1. Refill valve or control board

REMEDY

Remove Level Probe and check for lime deposits on tip. Clean and rein- stall.

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 grom- met. Check for continuity from the outside surface of the temperature probe and pin 4 of the plug, conti- nuity should be present. Connect the J3 plug to the control board and proceed to step 3.

Press ON/OFF switch to "ON" (Indi- cator lamp should be lit). If water 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 solenoid. (See page 29)

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 removed, replace the control board. (See page 22)

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Bunn CDBCF TC, CDBCF APS, CDBC APS, CDBC TC manual Troubleshooting Refill Circuit
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CDBC TC, CDBC APS, CDBCF TC, CDBCF APS specifications

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