Documentation Location Service:

Whirlpool Countertop Microwave Oven MT4078SPQ0 Service Manual

Format:PDF Document
Language:English



Looking for an Owner's Manual / User Guide?

Did you know that many appliances bearing the same name are produced by different manufacturers? For example, a lot of Kenmore dishwashers are made by Whirlpool and Frigidaire, while certain Maytag washers were produced by Samsung.

Service and repair manuals often refer to the original base model before it was rebranded.

Service Manual Contents

  • Theory of Operation
  • Cycle Description
  • Component Access
  • Parts Removal
  • Troubleshooting and Diagnosis
  • Error Codes
  • Wiring Diagram
  • Tech Tips

Read reviews and share your experience with this appliance!

PDF Documentation Retrieval (when available)

Parts List & Diagrams:

Part Number:

Most modern browsers and operating systems are able to display PDF documents. If you operate an older device, you will need Adobe Acrobat Reader to view these documents. Adobe Acrobat Reader is available as a free download.



Customer Reviews:


Do you own this unit? Please describe repair issue you are having.

How long did you have this microwave oven for? What is the problem with it right now? What kind of diagnostics did you perform? Any earlier repairs?


Subject *:


Share your experience with this unit: (4000 characters maximum, no HTML, please)


Your Name (optional):


Location (optional):




All comments will be checked for spam BEFORE being displayed

Related Microwave Oven models


Whirlpool Over The Range Microwave Oven Hood Combo MH7135XEB2 »
Whirlpool Microwave/Hood Combo YMH1170XSS4 »
Whirlpool Countertop Microwave Oven MW8900XS1 »
Whirlpool Microwave/Hood Combo MH1160XSD3 »
Whirlpool Microwave/Hood Combo GH7208XRY1 »
Whirlpool Countertop Microwave Oven MT4155SPB2 »
Whirlpool Countertop Microwave Oven MT6900XW1 »
Whirlpool Microwave/Hood Combo YGH8155XMB1 »
Whirlpool Microwave/Hood Combo MH1170XST3 »
Whirlpool Over The Range Microwave Oven Hood Combo MH7130XEQ2 »