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ACO1840AW (PACO1840AW0) Amana Microwave - Overview

Diagrams for ACO1840AW

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Parts for the ACO1840AW

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Light Bulb - 40W – Part Number: 8206232A
$8.55
In Stock
Light Bulb - 40W
★★★★★
★★★★★
(177)
Part #8206232A
This 40w light bulb is a replacement bulb constructed of glass and metal. It is an easy-to-install electrical part which produces 40w of light. If the bulb won't light up then it may be broken and should be replaced. The bulb attaches directly to an appropriate light socket and has a small screw-in base. To access the exterior light bulb, you will need to remove the panel on the bottom of the microwave using a Phillips screwdriver. If your exterior light bulb has not been changed before, it is probably held in place with some silicone. You will need to cut away this silicone to remove the old bulb. If you cannot access the silicone with a utility knife, it can be removed using dental floss. Once the silicone is removed, simply unscrew the old bulb, and replace it with the new one. Be sure to disconnect the power to the microwave before you begin this repair. This light bulb measures about 1 1/8 inches. We do not recommend using a higher-wattage bulb for this appliance, and can only recommend this specific bulb. If fixing the bulb does not solve your microwave light issue, it's possibly a problem with the socket, which means the socket and/or board will need to be replaced. This can be a more dangerous repair, so consult your user manual or a technician before attempting.
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Light Bulb - 120V 25W – Part Number: WPA3073101
$13.95
In Stock
Light Bulb - 120V 25W
★★★★★
★★★★★
(10)
Part #WPA3073101
This light bulb is a 120 volt, 25 watt incandescent appliance light bulb with a small base screw-in that fits in a variety of appliances such as microwaves, refrigerators, freezers, cooktops, or stoves. Its purpose is to light up the appliance when the door is open. This is a genuine OEM part. You may need to replace the light bulb if the existing bulb is burnt out or broken. This light bulb is sold individually and is a common wear part, it is recommended to order a spare.
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Fastener Screw – Part Number: 8169475
No Longer Available
Fastener Screw
Part #8169475
Sold individually.
Ceramic Fuse - 20 amp – Part Number: WPM0805101
$5.45
In Stock
Ceramic Fuse - 20 amp
★★★★★
★★★★★
(3)
Part #WPM0805101
This microwave fuse is just over an inch in length. It has a white ceramic center, and metal on either end. This is a twenty amp 250-volt fuse, and is used to power your microwave. If your microwave will not heat properly, will not turn on, or the touch pad becomes unresponsive, there could be a faulty fuse which should be replaced. Remember, since this part contains an electrical charge, before you replace the fuse from your microwave, make sure that the power is disconnected from the unit. This part is sold individually. NOTE: Make sure your microwave is unplugged, and your capacitor is discharged before you begin this repair. A capacitor stores large amounts of electricity even after your microwave is unplugged.
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Light Cover - Clear – Part Number: R0130614
No Longer Available
Light Cover - Clear
Part #R0130614
Note: As per the manufacture the original cover was made with one hole, the part is now made with three holes.
Grease Filter – Part Number: WPR0130608
$28.42
Special Order
Grease Filter
★★★★★
★★★★★
(1)
Part #WPR0130608
This part is the replacement grease filter for your microwave. It is metallic in color and is approximately 15 inches wide and 8 inches deep. The grease filter is found on the bottom of your microwave and traps grease from the exhaust air. The main reason to replace the grease filter would be if it is badly clogged, or if you notice a tear or some other damage to the filter itself. This part is a genuine OEM part sourced directly from the manufacturer, and it is sold individually.
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Black Sleeve Diode – Part Number: WPR9800486
$23.95
In Stock
Black Sleeve Diode
★★★★★
★★★★★
(4)
Part #WPR9800486
In your microwave, the diode allows current to flow one-way only, converting alternating current to direct current. If you notice that your microwave does not heat properly, you may need to replace the diode. This product is approximately 3 inches in length. Before completing this repair, be sure to disconnect the power source from the microwave. The diode is located inside the main compartment of the microwave, so you will need to open it up before you can complete this repair. This is an OEM part sourced directly from the manufacturer. Many of our customers have rated this repair as easy.
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Microwave Turntable Support w/Wheels – Part Number: WPW10207752
No Longer Available
Microwave Turntable Support w/Wheels
★★★★★
★★★★★
(11)
Part #WPW10207752
This roller guide sits underneath the glass turntable tray.
Charcoal Filter – Part Number: WPR0131462
$22.52
In Stock
Charcoal Filter
★★★★★
★★★★★
(5)
Part #WPR0131462
This is the replacement charcoal filter for your microwave. It is silver and black in color and measures approximately 11 inches by 2 ½ inches. The charcoal filter removes cooking odors from the air that circulates through the microwave vent. You will likely need to replace the charcoal filter if you notice any damage to it, or if it has been in your microwave for a long time. This part is sold individually and is an authentic OEM part sourced directly from the manufacturer.
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Door Interlock Switch Kit – Part Number: 4392027
$89.70
In Stock
Door Interlock Switch Kit
★★★★★
★★★★★
(3)
Part #4392027
This part is a genuine manufacturer door interlock switch kit, also known as primary micro switch or microwave switch kit, for a microwave. The function of this part is to sense when the door of the microwave is open or closed. If the part is defective, the microwave will not start or will start when door is open. This kit contains two 15 Amp, 125/250 Volt switches with 3/16 inch terminals. Be sure to disconnect power to microwave before replacing part. Use extreme caution when replacing microwave parts, as high-voltage capacitors can retain an electrical charge when unplugged. NOTE: This kit includes 2 single pole, double throw (SPDT) micro switches. As per the manufacture for the secondary interlock switch order part # 56001100.
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Single Shelf Holder – Part Number: WPR9800384
No Longer Available
Single Shelf Holder
Part #WPR9800384
This support stud is sold individually. It is used to hold up wire shelves in refrigerators.
SCREW – Part Number: W11380570
$21.45
Special Order
SCREW
Part #W11380570
Sold individually. For white and almond models.
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Questions And Answers for ACO1840AW

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Sorry, we couldn't find any existing answers that matched.Try using some different or simpler keywords, or submit your new question by using the "Ask a Question" button above!
Tim - For model number ACO1840AW
March 28, 2023
The light covers on the bottom of the microwave need replacement, but the catalog above states they’re no longer offered. ? They are cracked. Need replacement
Chris Boyle Profile
Hello Tim, thank you for reaching out. The lamp cover for your model is part number PS751987. We hope this helps.
$10.70
Special Order
COVER LAMP
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Common Symptoms of the ACO1840AW

How this model fails, and the parts that fix it.

No heat
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Won’t turn on
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Tray won’t turn
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Doesn’t shut off
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Door not closing properly
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Videos related to models starting with ACO1840AW

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Replacing the Light Bulb - 40W

Replacing the Light Bulb - 40W

Replacing the Light Bulb - 120V 25W

Replacing the Light Bulb - 120V 25W

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See how others fixed this model. Time, tools, difficulty, and steps that lead to victory! View More

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light bult needed to be replaced
222 of 329 people found this instruction helpful.
  • Deborah from Millersville, MD
  • Difficult
  • Less than 15 mins
  • Screw drivers
The nightmare was that this microwave is installed under the cabinet....in order to get to the light bulb I had to pull out my stove then squeeze into the space between the stove and counter....my old microwave light bult was much easier to change.....Shame on Whirlpool for making this so difficult.....must be a better way to cover the li ght bulb so that we do not need a screwdriver to remove the door to get to the light bulb
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Sparks and loud hum from oven
113 of 171 people found this instruction helpful.
  • Guy from Bellingham, MA
  • Really Easy
  • 15 - 30 mins
  • Pliers, Screw drivers
1. I went to the internet to find the service manual for the Maytag microwave.
2. I opened up the oven and started measuring the resistance of the diode, capacitor, transformer, and magnetron between terminals and then to ground. The transformer and magnetron were well within the resistance limits. The diode was shorted in both direc tions(+-). The capacitor was fully open in both directions -- high resistance.
3. I ordered the 2 parts, installed them, and ran the oven. Worked perfect first time.
4. Reinstalled oven and worked ever since (1 week so far).
5. The secret was that the transformer had a load hum. I figured the transformer was OK. The magnetron had no short between filaments and ground to filaments. The only two left were the diode and capacitor. The first two are about $200 -- almost the value of a new microwave. The $70 repair was well worth it. If the first two were still bad, then tempted to buy a new oven.
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Bulb "burnt out"
98 of 164 people found this instruction helpful.
  • Joseph from Pembroke, MA
  • Really Easy
  • Less than 15 mins
  • Screw drivers
Removed 1 screw, removed "burnt out" bulb and replaced it with new bulb.
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