How The Drain Pump Operates; Operation - EdgeStar IB450SSP Owner's Manual

Built-in ice maker with internal pump

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How the drain pump operates

The components of the drain pump are the:

• Water reservoir

• Circuit Board

• Water level switches 1 & 2

• Water Drain Pump

• All water coming from the overflow, and from the melted ice is collected inside the water

reservoir.

• As soon as the water in the reservoir reaches the maximum level, the water level switch 1 will

close, transmitting a low voltage current to the circuit board. The circuit board activates the

water drain pump for 20 seconds, pumping out most of the water contained in the reservoir.

• If the water lever switch 2 closes, it will transmit a low voltage current to the circuit board. The

circuit board activates the buzzer alarm, informing the user that the drain pump, water level

switch or drain tube is malfunctioning. If this happens, power the unit off and back on. If the

problem persists, contact customer service.

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