WMH78019HW1 Whirlpool Microwave - Overview
Sections of the WMH78019HW1
[Viewing 6 of 6]Keep searches simple, eg. "belt" or "pump".
Light Bulb - 40W
PartSelect #: PS2376034
Manufacturer #: 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 sho...
$8.87
In Stock
Charcoal Filter
PartSelect #: PS1871363
Manufacturer #: 8206230A
This Charcoal Filter traps grease from your oven's exhaust to help prevent it from entering the vent, which could cause damage over time. If the exhaust fan on your microwave is not working, you may n...
$11.52
In Stock
Microwave Surface Light Bulb
PartSelect #: PS11722423
Manufacturer #: W10709921
This microwave surface light bulb (120v 25w) is an OEM replacement part used in microwaves and microwave/hood combos. It is one of the two halogen lightbulbs that are positioned on either end of the b...
$15.89
In Stock
Mounting Plate
PartSelect #: PS12074431
Manufacturer #: W11025649
This mounting plate is sourced directly from the original manufacturer for use with microwaves. It is a metal plate designed to support a microwave by attaching the microwave to the wall studs. If the...
$13.89
In Stock
Top Mounting Screw
PartSelect #: PS11744892
Manufacturer #: WP8169704
This screw is sold individually.
$8.83
In Stock
DIODE
PartSelect #: PS12584264
Manufacturer #: W11256462
This diode, or high voltage diode, is used in microwaves. It is an electrical current control device that ensures power flows in one direction and not the other way. If your microwave produces no heat...
$29.50
In Stock
R CERAMIC FUSE,20A/250V,MHC
PartSelect #: PS17629444
Manufacturer #: W11707984
If your microwave is not turning on it could be due to your fuse needing to be replaced. This part protects the microwave by shutting it off if there is an electrical surge. This fuse is just over an ...
$24.71
In Stock
Microwave Glass Turntable Tray
PartSelect #: PS12745298
Manufacturer #: W11402532
The turntable tray rotates in the centre of the microwave to help ensure the food cooks evenly.
$44.68
In Stock
Drive Coupling
PartSelect #: PS3654579
Manufacturer #: W10337248
This glass tray drive coupling, also known as a tray support, is a genuine OEM replacement part. It can help solve the issue of your microwave tray not turning properly. This motor couple connects the...
$9.93
In Stock
DAMPER
PartSelect #: PS11728088
Manufacturer #: W10843943
This damper is an authentic OEM replacement assembly used in microwave/range hood combos. It includes the damper door and frame. It is designed to direct the flow of air through the vent duct, and the...
$60.95
In Stock
Microwave Turntable Motor
PartSelect #: PS11755189
Manufacturer #: WPW10466420
As per manufacturer this no longer comes with the Spacer.
$30.89
In Stock
Questions And Answers for WMH78019HW1
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Common Symptoms of the WMH78019HW1
[Viewing 6 of 6]No heat
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Won’t turn on
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Tray won’t turn
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Exhaust fan not working
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Noisy
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Door not closing properly
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
light bult needed to be replaced
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
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ght bulb so that we do not need a screwdriver to remove the door to get to the light bulb
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Parts Used:
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Deborah from Millersville, MD
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Difficulty Level:Difficult
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Total Repair Time:Less than 15 mins
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Tools:Screw drivers
205 of 301 people
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Bulb "burnt out"
Removed 1 screw, removed "burnt out" bulb and replaced it with new bulb.
Parts Used:
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Joseph from Pembroke, MA
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Difficulty Level:Really Easy
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Total Repair Time:Less than 15 mins
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Tools:Screw drivers
93 of 146 people
found this instruction helpful.
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Microwave made very loud noise while on. No heat.
Unless you have a very comfortable background with electronics and electricity, I don't necessarily recommend taking apart a microwave. If you are very handy and are going to be VERY cautious to follow the rules of discharging caps and testing voltages before moving forward, then go for it. That said, I took the microwave off and apart.
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Not knowing where to find the parts, I was fortunate that the installer put the instruction book for the microwave inside the front vent slot above the touchpad for reference. it details the location of every part and it tells you very clearly what each part you test should show specific to this microwave on your multimeter. Find this guide online if you don't have it. Turn on the microwave for 20 seconds with a glass of water to make sure it's not heating - that with the noise means it's eeither the magnetron, cap, or diode. Read the notes on this site for all of the basic things to look for with the magnetron, diode, and capacitor. Once comfortable with the guide, locations of those devices, and how to test, then take it down and apart. Unfortunately, I didn't do all those things in that order, and it only wasted a lot of time trying to find the parts. Once I found the parts and put all the screws and covers back for all the areas that didn't need to be accessed for the repair, testing went quickly. The diode was bad. Ordered a new one and had it in 3 days or so. That means your microwave will be apart and sitting somewhere for a little while until you get the part and have time to repair it. Putting the diode back isn't too bad. Reassemble the microwave and put it back up again. If i had to do it again, it would take me 20 to 30 minutes once the microwave was down and on a table. Also, I used some bricks with towels over them or you could use some sawhorses to keep the microwave elevated so you can plug it in and run it after installing the new component. Again, make sure you discharge the cap before touching anything again even if you didn't run it, but just plugged it in.
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Parts Used:
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Sleiman from Miami, FL
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Difficulty Level:Easy
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Total Repair Time:More than 2 hours
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Tools:Pliers, Screw drivers
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