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Customer Questions and Answers for Lower Blower Assembly by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18044202
Manufacturer Part Number: WPW10016550

The Lower Blower Assembly is an OEM component for Whirlpool ranges. Located underneath the oven cavity, the lower blower assembly circulates heated air throughout the oven chamber during all cooking functions that require convection. 

Causes of a bad lower blower assembly can include failure of the electric motor due to extended periods of high-heat operation. Excessive grease or dirt buildup within the fan housing can also restrict airflow and impede performance over time.

Symptoms of a bad lower blower assembly include:

  • Improper or inadequate air circulation within the oven 
  • Slow or incomplete cooking even on convection bake settings
  • Abnormal rattling or grinding noises emanating from below
  • Failure to engage or power on the lower blower fan

Compatible models also include ranges by Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, and some Kenmore brands.

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Questions & Answers

For Whirlpool Lower Blower Assembly (Part Number: OEM18044202)

1 Answer

MLMK, We attempted to send you some information. The e mail was returned undeliverable . Please repost your question(s) and supply a proper e mail address and a model number of your wall oven. Thanks

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1 Answer

Hello Cheri. Yes, it sounds like the fan motor is bad and will need to be replaced.

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1 Answer

Hello Angelo. Yes, the fans run when the oven is turned on. These are used to cool the cavity on the unit.

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1 Answer

Hello Paul, If the blower was vibrating and now is not operational you may want to pull the blower out and check to make sure that there is no build up on it cuasing it to not work. It does sound like it needs to be replaced.

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Ken K for Model Number KEBC177

While in the self cleaning mode the oven shut down. I checked the Thermal cut-off (fuse) and it was bad so I purchased a replacement. I had the same fuse replaced a year ago and I believe this is the first time we've run the cleaning mode since the repair a year ago. So is there anything else I should check before installing the new fuse. Should the Cooling Blower run during the self cleaning mode? If it doesn't could that be why it's blowing the fuse. Thanks

1 Answer

Hello Ken. Yes, the cooling fan should run during the cleaning cycle. If not, it could be the reason for the fuse blowing in the unit.

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Janet for Model Number whirlpool RBS305PDB12 wall oven

Our electric went out for 12 hrs, when it came back on our fan/blower on oven kept running. We turn the breaker off for a while but when we turned it back on it still kept blowing, plus if you turned the oven on back it does not heat up! I did find that if you turn on broil that heats up! We just put in a new thermal overload, lower element and a oven sensor, but the fan keeps blowing, again we did the capacity set up and the bake element heated up but the blower still won't shut off even after the oven has been off for a while!! Do you know what it could be? Thank you,

1 Answer

Hello Janet. It sounds like the control board is bad. The board is discontinued and no longer available. You can send it if to be repaired at: Corecentric 175 Wall St Attn: Rfr Dept Glendale Hts, Il 60139-1956 866-737-2244

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