Push-To-Start Relay Operation

The following rules determine the maximum number of redistribution attempts that will be allowed in each spin step before the machine control skips the step and continues with the spin profile (See Section 2: Unbalance Con- trol System).

Push-To-Start Relay Operation

STARTING THE WASHER

1.With the door closed, press the push-to start switch.

2.The red no. 28 wire sends a signal to the machine control to start running.

3.120 VAC is supplied to the machine con- trol board through black wire no. 27.

4.The machine control closes an internal switch to energize the line relay.

5.When the push-to-start button is released, power remains supplied to the machine control and the washer from gray wire no. 26 through the line relay.

STOPPING THE WASHER

1.With the washer running, power is supplied to the machine control and washer from gray wire no. 26 through the line relay.

2.When the user presses the push-to-start button, a signal is sent to the machine con- trol through red wire no. 28 telling the washer to shut down.

3.The machine control opens the internal logic switch which de-energizes the line relay.

4.When the user releases the push-to-start button, power is removed from the ma- chine control and washer (Black wire no. 27).

MACHINE CONTROL BOARD

INTERNAL LOGIC

STARTING THE WASHER SWITCH

120 VAC LINE (When door is

closed)

 

120 VAC POWER

LINE

FROM MACHINE

CONTROL BOARD

RELAY

 

NO

C OM

GY 26

BK 27

120 VAC Line

To Timer &

STOPPING THE WASHER Motor Control Board

RD 28

PUSH TO START SWITCH

Figure 1-8

16008373-01

SECTION 1. GENERAL INFORMATION

1-12

 

© 1998 Maytag Corporation

 

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Whirlpool MAH3000 service manual Push-To-Start Relay Operation, 1-12, Starting The Washer, Stopping The Washer