Amana Appliances/Amana Domestic Washer ALW450QA
Amana Domestic WasherTechnical Information 120 V, 60 Hz Models ALW450QA*
PALW450QA*
ALW450QA*
PALW450QA*1
• Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or repair of this unit. • This technical sheet replaces RT3100006 Rev. 1. • Refer to Service Manual RS3100007 for detailed installation, operating, testing, troubleshooting, and disassembly instructions. • Refer to Parts Manual RP3100021 for part number information.
!
CAUTION
All safety information must be followed as provided in this Technical Sheet and in Service Manual RS3100007.
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Models Power Source Voltage AC Amperage (Single Unit) Frequency Motor horsepower Receptacle Plug Dimensions Cabinet Height−overall Height of cabinet Width Depth Clearance−washer lid Weight Crated
September 2001
ALW450QA* 120 VAC 10 A 60 Hz 1/2 6-20R 6-20P
43" 36" 27" 28" 17 1/2" 193 lbs.
Models Wash cycles Water temperatures Water level Features Steady Spin Balance System Self-cleaning lint filter Self-adjusting rear leveling legs 210 Agitation stroke Tri−Action wash system Fabric softener dispenser Extra rinse SofSound Quiet Pack Motor speed Spin speed (revolutions per minute) Agitation speed (strokes per minute) High Medium
1
ALW450QA* 11 4 3 X X X X X X X X 2 speed 640 / 427 rpm 69 spm 46 spm
RT3100006 Rev. 2
Component Testing Information
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Illustration 40046601
Component Temperature switch
2 1
Hot / Cold Warm / Warm
L2
L1
Test Procedure Disconnect wires from component to properly measure the resistance of the component. Place switch in the following positions and measure across the terminals below:
Warm / Cold Cold / Cold 40097701
Mixing valve
Timer
40059201
L1-2 .......................... L1-1, L1-2, L2-2 L2-1, L2-L1, 1-2 ........ L1-1, L1-2, 1-2 .......... L1-1 ..........................
Results
>1 Ω >1 Ω >1 Ω >1 Ω
Measure resistance of terminals on each valve. Resistance across each valve.
Approximately 1000 Ω ± 10%
Verify input and output voltage is present.
See timing sequence chart for functional description of the component.
Verify wiring is correctly connected to the timer.
Pressure switch
40077201
2 1 3
40035001
R0000014
Lid switch−SPST
Brake pad kit
Do not disconnect the pressure hose from pressure switch to perform measurements. Measure resistance across the following terminals on the pressure switch: Terminal 1 to 2 Terminal 1 to 3
RT3100006 Rev. 2
Rocker switch (Extra Rinse) * Color
Air pressure that actuates switch is determined by the water level of the tub. Continuity (no pressure) Continuity (pressure)
Disconnect wire terminals from switch. Test terminals with switch closed. Test terminals with switch open.
Continuity Infinite
If washtub does not stop spinning within seven seconds after opening loading door.
Replace all three brake pads.
If brake pads make noises.
038424*
Refer to wiring diagram/schematic for correct contacts.
Measure resistance of switch positions: Closed (ON position) ...................... Open (OFF position) ......................
2
>1 Ω 1 MΩ
Apply a thin layer of silicone (26594P) on pads, see Service Bulletin “ASQ−213−B”
Continuity Infinite
>1 Ω 1 MΩ
September 2001
Component Testing Information
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Illustration 40095003
Component Motor
Test Procedure Type of motor: Two speed
Results See following section “Internal Motor Diagram and Schematic” for correct wiring contacts.
40040301
Drain pump
Verify drain pump is not clogged or damaged.
Remove clog and verify proper operation. Replace drain pump if damaged.
40065301
Transmission assembly
Type of transmission: 640 rpm
All transmissions are externally identical. Transmission must be identified by part number. If transmission locks-up, replace.
40053607
Drive belt
Type of drive belt: 640 rpm
Refer to “Parts Manual”, to verify which drive belt and pulley size is required.
Refer to “Parts Manual” for proper pulley size. 40098701
Power Cord
Measure resistance of wires.
Continuity should be indicated on each wire. Verify polarity and grounding.
September 2001
3
RT3100006 Rev. 2
Internal Motor Diagram and Schematic
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
One or Two Speed Motors Continuity exists between switch terminal R and Red wire. Start Terminals
YES Manually depress actuator. Continuity broken between switch terminal R and Red wire. YES Continuity exists between switch terminal P and Red wire.
High Speed Terminals
Low Speed Terminals
NO
NO
Inoperative start switch. Replace switch.
NO
YES Manually depress actuator. Continuity broken between switch terminal P and Red wire. YES Continuity broken between switch terminal P and Violet wire.
NO
Inoperative high speed switch. Replace switch.
NO
YES Manually depress actuator. Continuity exists between switch terminal P and Violet wire. YES
NO
Inoperative low speed switch. Replace switch.
Motor switch checks OK.
Start Winding
4-5 ohms between Brown wire and Red wire.
NO
Inoperative start winding. Replace motor.
NO
Inoperative high speed winding. Replace motor.
NO
Inoperative low speed winding. Replace motor.
NO
Inoperative common lead. Replace motor.
YES High Speed Winding
1-2 ohms between Blue wire and Yellow wire. YES
Low Speed Winding
1-2 ohms between Yellow wire and Violet wire. YES
Protector
Continuity exists between Yellow wire and White wire. YES All motor windings checks OK.
RT3100006 Rev. 2
4
September 2001
Internal Motor Diagram and Schematic
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
BR
W
BU
Y
P
R
Wire harness connection block
White Brown Yellow
Red
Blue
White
Brown w Yello
Yellow Overload protector
RUN
BR BU Y
R
P W
G
START
Violet
Red Violet Blue
4P M 6P M
Aux. Motor Assembly (two speed motor)
September 2001
5
RT3100006 Rev. 2
RT3100006 Rev. 2
TM
6
6
18
16
EX
LO
LO K F G A
10 11 14 5
8
4 17
TM
BP TM
PS
15 3
19 22 24 21 20
PNK BLU VLT BRN
PNK
BLK 18 GA.
BLU/WHT
WHT/BLK
WHT/RED GRY/BLK PNK/BLU PNK/BLU WHT/BLK
GRY BLK/PNK RED BLU/BLK RED/BLK
24 PIN HOUSING
1A 1
GROUND TO TOP
WHT
GRN
EXTRA SPIN SWITCH
N.O.
4 POSITION TEMP. SWITCH ORG
CONNECTOR
L2 1 L1 2
GROUND TO CONTROL HOOD
2 3
COM.
PNK/BLU
ORG
GRY WHT/RED
GRN/YEL 9
1
3 2
POWER CORD
7 PNK 6 BLU VLT 5 BRN 4 8 WHT RIDGE OR TINNED TERMINAL = NEUTRAL
LID SWITCH
PRESSURE SWITCH
1
GROUND TO TOP
GRN/YEL 9
7 6 5 4 8
1
3 2
WHT/RED PNK BLU VLT BRN WHT
5 8 3 7 1 6 4
5 8 3 7 1 6 4
RED NATURAL
MOTOR
HOUSING
GRY
ORG
WHT/RED
GRN/YEL
GRN/YEL
PLUG
RECEPTACLE
HOT COLD
MIXING VALVE
!
L
V W R H P
TIMER
CONNECTION DIAGRAM
GROUND TO CABINET
Wiring Diagram and Schematic WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
September 2001
Wiring Diagram and Schematic
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
SCHEMATIC L1
N
120 VOLTS A.C. 60 HZ PS A
BP
BP
A EX
PRESSURE SWITCH
MIXING VALVE COLD
3
1
2 EXTRA SPIN SWITCH
HOT
P LID SWITCH
V
H
4 POSITION WATER
TEMP. SWITCH
HOT COLD WARM WARM WARM COLD COLD COLD
N.O. L1-2 L1-L2-1-2
R 4 POSITION L1 WATER TEMP. SWITCH
L2
W
L1-1-2 L1-1
LO TM
LO
1
2
SPRAY RINSES = COLD TM HI
3
MOTOR
HIGH
K
7
TIMER MOTOR
F L
1 START
6
AGITATE
K G
September 2001
LOW
7
8
4 TP
SPIN
RT3100006 Rev. 2
Timer Cycle Chart
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
CYCLE / FUNCTION SOAK Fill & Agitate Soak Spin
WATER TEMPERATURE SELECT
MOTOR SPEED
CYCLE TIME hh:mm:ss
hot, warm, or cold hot, warm, or cold -
S S
0:02:17 0:12:14 0:02:46 0:17:17
-
-
0:06:43
hot, warm, or cold cold warm or cold -
F F F F F F
0:14:04 0:00:29 0:02:38 0:00:27 0:02:26 0:00:29 0:02:31 0:00:29 0:05:31 0:29:04
OFF REGULAR Wash: Fill & Agitate Pause Spin Spin & Spray Spin Pause Rinse: Fill & Agitate Pause Spin
Pause for Extra Spin Spin
-
F
0:00:27 0:02:33
OFF
-
-
0:03:46
PERMANENT PRESS/KNITS Wash: Fill & Agitate hot, warm, or cold Pause Spin Spin & Spray cold Spin Pause Rinse: Fill & Agitate warm or cold Pause Spin -
F S S S F F
0:08:04 0:00:29 0:02:38 0:00:27 0:02:26 0:00:29 0:02:31 0:00:29 0:05:31 0:23:04
Pause for Extra Spin Spin
F
0:00:27 0:02:33
CYCLE / FUNCTION DELICATE Wash: Fill & Soak Agitate Soak Agitate Soak Agitate Soak Spin Spin & Spray Spin Pause Rinse: Fill & Agitate Pause Spin
WATER TEMPERATURE SELECT
MOTOR SPEED
CYCLE TIME hh:mm:ss
hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold cold cold -
S S S S S S S S
0:02:11 0:00:27 0:02:33 0:00:27 0:02:33 0:00:27 0:02:55 0:02:38 0:00:27 0:02:26 0:00:29 0:02:31 0:00:29 0:02:31 0:23:04
Pause for Extra Spin Spin
-
S
0:00:27 0:02:43
OFF
-
-
0:03:46
hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold cold cold -
S S S S S S S
0:02:11 0:00:27 0:02:33 0:00:27 0:02:55 0:02:38 0:00:27 0:02:26 0:00:29 0:02:31 0:00:29 0:02:44 0:20:17
-
-
0:03:43
HANDWASH Wash: Fill & Soak Agitate Soak Agitate Soak Spin Spin & Spray Spin Pause Rinse: Fill & Agitate Pause Spin
OFF
OFF
RT3100006 Rev. 2
-
0:03:46
8
September 2001
PALW450QA*
ALW450QA*
PALW450QA*1
• Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or repair of this unit. • This technical sheet replaces RT3100006 Rev. 1. • Refer to Service Manual RS3100007 for detailed installation, operating, testing, troubleshooting, and disassembly instructions. • Refer to Parts Manual RP3100021 for part number information.
!
CAUTION
All safety information must be followed as provided in this Technical Sheet and in Service Manual RS3100007.
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Models Power Source Voltage AC Amperage (Single Unit) Frequency Motor horsepower Receptacle Plug Dimensions Cabinet Height−overall Height of cabinet Width Depth Clearance−washer lid Weight Crated
September 2001
ALW450QA* 120 VAC 10 A 60 Hz 1/2 6-20R 6-20P
43" 36" 27" 28" 17 1/2" 193 lbs.
Models Wash cycles Water temperatures Water level Features Steady Spin Balance System Self-cleaning lint filter Self-adjusting rear leveling legs 210 Agitation stroke Tri−Action wash system Fabric softener dispenser Extra rinse SofSound Quiet Pack Motor speed Spin speed (revolutions per minute) Agitation speed (strokes per minute) High Medium
1
ALW450QA* 11 4 3 X X X X X X X X 2 speed 640 / 427 rpm 69 spm 46 spm
RT3100006 Rev. 2
Component Testing Information
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Illustration 40046601
Component Temperature switch
2 1
Hot / Cold Warm / Warm
L2
L1
Test Procedure Disconnect wires from component to properly measure the resistance of the component. Place switch in the following positions and measure across the terminals below:
Warm / Cold Cold / Cold 40097701
Mixing valve
Timer
40059201
L1-2 .......................... L1-1, L1-2, L2-2 L2-1, L2-L1, 1-2 ........ L1-1, L1-2, 1-2 .......... L1-1 ..........................
Results
>1 Ω >1 Ω >1 Ω >1 Ω
Measure resistance of terminals on each valve. Resistance across each valve.
Approximately 1000 Ω ± 10%
Verify input and output voltage is present.
See timing sequence chart for functional description of the component.
Verify wiring is correctly connected to the timer.
Pressure switch
40077201
2 1 3
40035001
R0000014
Lid switch−SPST
Brake pad kit
Do not disconnect the pressure hose from pressure switch to perform measurements. Measure resistance across the following terminals on the pressure switch: Terminal 1 to 2 Terminal 1 to 3
RT3100006 Rev. 2
Rocker switch (Extra Rinse) * Color
Air pressure that actuates switch is determined by the water level of the tub. Continuity (no pressure) Continuity (pressure)
Disconnect wire terminals from switch. Test terminals with switch closed. Test terminals with switch open.
Continuity Infinite
If washtub does not stop spinning within seven seconds after opening loading door.
Replace all three brake pads.
If brake pads make noises.
038424*
Refer to wiring diagram/schematic for correct contacts.
Measure resistance of switch positions: Closed (ON position) ...................... Open (OFF position) ......................
2
>1 Ω 1 MΩ
Apply a thin layer of silicone (26594P) on pads, see Service Bulletin “ASQ−213−B”
Continuity Infinite
>1 Ω 1 MΩ
September 2001
Component Testing Information
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. Illustration 40095003
Component Motor
Test Procedure Type of motor: Two speed
Results See following section “Internal Motor Diagram and Schematic” for correct wiring contacts.
40040301
Drain pump
Verify drain pump is not clogged or damaged.
Remove clog and verify proper operation. Replace drain pump if damaged.
40065301
Transmission assembly
Type of transmission: 640 rpm
All transmissions are externally identical. Transmission must be identified by part number. If transmission locks-up, replace.
40053607
Drive belt
Type of drive belt: 640 rpm
Refer to “Parts Manual”, to verify which drive belt and pulley size is required.
Refer to “Parts Manual” for proper pulley size. 40098701
Power Cord
Measure resistance of wires.
Continuity should be indicated on each wire. Verify polarity and grounding.
September 2001
3
RT3100006 Rev. 2
Internal Motor Diagram and Schematic
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
One or Two Speed Motors Continuity exists between switch terminal R and Red wire. Start Terminals
YES Manually depress actuator. Continuity broken between switch terminal R and Red wire. YES Continuity exists between switch terminal P and Red wire.
High Speed Terminals
Low Speed Terminals
NO
NO
Inoperative start switch. Replace switch.
NO
YES Manually depress actuator. Continuity broken between switch terminal P and Red wire. YES Continuity broken between switch terminal P and Violet wire.
NO
Inoperative high speed switch. Replace switch.
NO
YES Manually depress actuator. Continuity exists between switch terminal P and Violet wire. YES
NO
Inoperative low speed switch. Replace switch.
Motor switch checks OK.
Start Winding
4-5 ohms between Brown wire and Red wire.
NO
Inoperative start winding. Replace motor.
NO
Inoperative high speed winding. Replace motor.
NO
Inoperative low speed winding. Replace motor.
NO
Inoperative common lead. Replace motor.
YES High Speed Winding
1-2 ohms between Blue wire and Yellow wire. YES
Low Speed Winding
1-2 ohms between Yellow wire and Violet wire. YES
Protector
Continuity exists between Yellow wire and White wire. YES All motor windings checks OK.
RT3100006 Rev. 2
4
September 2001
Internal Motor Diagram and Schematic
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
BR
W
BU
Y
P
R
Wire harness connection block
White Brown Yellow
Red
Blue
White
Brown w Yello
Yellow Overload protector
RUN
BR BU Y
R
P W
G
START
Violet
Red Violet Blue
4P M 6P M
Aux. Motor Assembly (two speed motor)
September 2001
5
RT3100006 Rev. 2
RT3100006 Rev. 2
TM
6
6
18
16
EX
LO
LO K F G A
10 11 14 5
8
4 17
TM
BP TM
PS
15 3
19 22 24 21 20
PNK BLU VLT BRN
PNK
BLK 18 GA.
BLU/WHT
WHT/BLK
WHT/RED GRY/BLK PNK/BLU PNK/BLU WHT/BLK
GRY BLK/PNK RED BLU/BLK RED/BLK
24 PIN HOUSING
1A 1
GROUND TO TOP
WHT
GRN
EXTRA SPIN SWITCH
N.O.
4 POSITION TEMP. SWITCH ORG
CONNECTOR
L2 1 L1 2
GROUND TO CONTROL HOOD
2 3
COM.
PNK/BLU
ORG
GRY WHT/RED
GRN/YEL 9
1
3 2
POWER CORD
7 PNK 6 BLU VLT 5 BRN 4 8 WHT RIDGE OR TINNED TERMINAL = NEUTRAL
LID SWITCH
PRESSURE SWITCH
1
GROUND TO TOP
GRN/YEL 9
7 6 5 4 8
1
3 2
WHT/RED PNK BLU VLT BRN WHT
5 8 3 7 1 6 4
5 8 3 7 1 6 4
RED NATURAL
MOTOR
HOUSING
GRY
ORG
WHT/RED
GRN/YEL
GRN/YEL
PLUG
RECEPTACLE
HOT COLD
MIXING VALVE
!
L
V W R H P
TIMER
CONNECTION DIAGRAM
GROUND TO CABINET
Wiring Diagram and Schematic WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
September 2001
Wiring Diagram and Schematic
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
SCHEMATIC L1
N
120 VOLTS A.C. 60 HZ PS A
BP
BP
A EX
PRESSURE SWITCH
MIXING VALVE COLD
3
1
2 EXTRA SPIN SWITCH
HOT
P LID SWITCH
V
H
4 POSITION WATER
TEMP. SWITCH
HOT COLD WARM WARM WARM COLD COLD COLD
N.O. L1-2 L1-L2-1-2
R 4 POSITION L1 WATER TEMP. SWITCH
L2
W
L1-1-2 L1-1
LO TM
LO
1
2
SPRAY RINSES = COLD TM HI
3
MOTOR
HIGH
K
7
TIMER MOTOR
F L
1 START
6
AGITATE
K G
September 2001
LOW
7
8
4 TP
SPIN
RT3100006 Rev. 2
Timer Cycle Chart
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
CYCLE / FUNCTION SOAK Fill & Agitate Soak Spin
WATER TEMPERATURE SELECT
MOTOR SPEED
CYCLE TIME hh:mm:ss
hot, warm, or cold hot, warm, or cold -
S S
0:02:17 0:12:14 0:02:46 0:17:17
-
-
0:06:43
hot, warm, or cold cold warm or cold -
F F F F F F
0:14:04 0:00:29 0:02:38 0:00:27 0:02:26 0:00:29 0:02:31 0:00:29 0:05:31 0:29:04
OFF REGULAR Wash: Fill & Agitate Pause Spin Spin & Spray Spin Pause Rinse: Fill & Agitate Pause Spin
Pause for Extra Spin Spin
-
F
0:00:27 0:02:33
OFF
-
-
0:03:46
PERMANENT PRESS/KNITS Wash: Fill & Agitate hot, warm, or cold Pause Spin Spin & Spray cold Spin Pause Rinse: Fill & Agitate warm or cold Pause Spin -
F S S S F F
0:08:04 0:00:29 0:02:38 0:00:27 0:02:26 0:00:29 0:02:31 0:00:29 0:05:31 0:23:04
Pause for Extra Spin Spin
F
0:00:27 0:02:33
CYCLE / FUNCTION DELICATE Wash: Fill & Soak Agitate Soak Agitate Soak Agitate Soak Spin Spin & Spray Spin Pause Rinse: Fill & Agitate Pause Spin
WATER TEMPERATURE SELECT
MOTOR SPEED
CYCLE TIME hh:mm:ss
hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold cold cold -
S S S S S S S S
0:02:11 0:00:27 0:02:33 0:00:27 0:02:33 0:00:27 0:02:55 0:02:38 0:00:27 0:02:26 0:00:29 0:02:31 0:00:29 0:02:31 0:23:04
Pause for Extra Spin Spin
-
S
0:00:27 0:02:43
OFF
-
-
0:03:46
hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold hot, warm, or cold cold cold -
S S S S S S S
0:02:11 0:00:27 0:02:33 0:00:27 0:02:55 0:02:38 0:00:27 0:02:26 0:00:29 0:02:31 0:00:29 0:02:44 0:20:17
-
-
0:03:43
HANDWASH Wash: Fill & Soak Agitate Soak Agitate Soak Spin Spin & Spray Spin Pause Rinse: Fill & Agitate Pause Spin
OFF
OFF
RT3100006 Rev. 2
-
0:03:46
8
September 2001
