Maytag MAH5500BWW Service Manual - Page 18

Push-To-Start Relay Operation - control board

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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 Control 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 control 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 control 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 machine control and washer (Black wire no. 27). MACHINE CONTROL BOARD LINE R EL AY NO COM INTERNAL LOGIC SWITCH 120 VAC POWER FROM MACHINE CONTROL BOARD 120 VAC LINE (W hen door is closed) GY 26 BK 27 PUSH TO START SWITCH 120 VAC Line To Timer & Motor Control Board RD 28 Figure 1-8 16008373-01 © 1998 Maytag Corporation SECTION 1. GENERAL INFORMATION 1-12

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© 1998 Maytag Corporation
16008373-01
SECTION 1.
GENERAL INFORMATION
1-12
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).
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).
ST
AR
TING
THE W
ASHER
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.
Push-To-Start Relay Operation
PUSH TO START SWITCH
LINE
RELAY
MACHINE CONTROL BOARD
120 VAC POWER
FROM
MACHINE
CONTROL BOARD
INTERNAL LOGIC
SWITCH
120 VAC LINE
(When door is
closed)
GY 26
BK 27
RD 28
120 VAC Line
To Timer &
Motor Control Board
NO
COM
Figure 1-8