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Whirlpool MT4155SPS Support Question

Whirlpool MT4155SPS Support Question

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Question posted by Dstep6366 on December 19th, 2012

Gold Series Microwave Making Loud Humming Noise

My microwave makes a loud vibrating noise while sitting idle. If you turn on the exhaust fan the noise disappears but as soon as you turn the fan off the noise reappears. Can anyone give me advice on how to repair this?

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Related Whirlpool MT4155SPS Manual Pages

Owners Manual - Page 1

® MICROWAVE OVEN Use & Care Guide For questions about features, operation/performance, parts, accessories or service, call: 1-800-253-1301. or visit our website at... www.whirlpool.com Table of Contents 2 W10217293A Model MT4155
Owners Manual - Page 2

... CONTROL 6 Display 6 Start 7 Jet Start Feature 7 Off 7 Clock 7 Tones 7 Timer 7 Control Lock 7 Demo Mode 7 Options 7 MICROWAVE OVEN USE 8 Food Characteristics 8 Cooking Guidelines 8 Cookware and Dinnerware 8 Aluminum Foil and Metal 9 Microwave Cooking Power 9 Manual Cooking 9 Cooking in Stages 10 Sensor Cooking 10 Sensor Popcorn 10 Sensor Cook 11 Sensor Reheat 11 Auto Defrost...
Owners Manual - Page 3

... the container. - This is specifically designed to stand in this manual and on your appliance. WARNING You can be heated in the microwave oven. ■ Use the microwave oven only for example, closed , turn oven off, and disconnect the power cord, or shut off the pad and touch electrical parts involving a risk of electric shock. Visible...
Owners Manual - Page 4

... any heating or cooking appliance beneath the microwave oven. ■ Do not mount microwave oven over a sink. ■ Do not cover racks or any other than manufacturer's recommended accessories, in this microwave oven when not in use. ■ Do not store anything directly on top of the microwave oven when the microwave oven is in operation. ■ Do not store...
Owners Manual - Page 5

..., a sensitive thermal device may automatically turn the microwave oven off. Consult a qualified electrician or serviceman if the grounding instructions are not completely understood, or if doubt exists as poor cooking results. ■ Make sure the microwave oven legs are in the "Assistance or Service" section. ■ Do not block the exhaust vents or air intake openings. SAVE...
Owners Manual - Page 6

... manual. Reset the clock if needed. When the microwave oven is first supplied to the microwave oven, ":" will appear in use , the display shows the time of the parts. Microwave oven light (not shown) I . Support D. The rollers on the support. The model you have purchased may be turned on the microwave oven cavity bottom. 2. See "Assistance or Service" to...
Owners Manual - Page 7

...The time can be turned off using Options. To Lock/Unlock Control: The microwave oven and Timer must be ...fan will run, the countdown will run very quickly in the display, touch TIMER SET/OFF to standard (lbs) or metric (kgs). 7 To Turn On/Off: The microwave oven and Timer must be entered without actually turning on the display to unlock the control. Repeat to turn the microwave oven...
Owners Manual - Page 8

... poached eggs and allow children to swing on the turntable. Use the lid supplied with gold or silver trim. Piercing Before heating, use . Prick in fat and sugar will reach...and water molecules in the food, causing them in microwave oven. ■ Paraffin wax will heat faster than other foods. If possible, turn food over from microwave oven. ■ Do not overcook potatoes. Check for 5...
Owners Manual - Page 9

...ceiling or floor. ■ Always use oven mitts or pot holders when removing dishes from the microwave oven. Do Not Use Metal cookware and bakeware, gold, silver, pewter, nonapproved meat thermometers, skewers... and fish fillets. Place food on some metal can occur and cause damage to the microwave oven, do not allow contact with high water content, such as soups, beverages and most ...
Owners Manual - Page 10

...Touch OFF or open the door to escape. Microwavesafe containers or steamers with all microwave cooking functions, the microwave oven should be attended at all times. Listen for popping to slow to 1 pop ... during the cycling stage by reminder tones. 6. For bag sizes not listed in the microwave oven determines the appropriate popping time of the cooking container should be dry. ■ The...
Owners Manual - Page 11

... after cooking. Let stand 2-3 minutes after cooking, or until liquid is not in the microwave oven detects humidity released from the food and automatically sets a reheat time based on the selected ... escape. This will sound, followed by reminder tones. 3. NOTE: When covering foods, make sure the vent opening is displayed. When the cycle ends, "END" will appear in...
Owners Manual - Page 12

...microwave-safe baking dish, chicken breast side up. Warm Hold WARNING Food Poisoning Hazard Do not let food sit in food poisoning or sickness. Hot cooked food can result in oven..., from 0.1 lb to 6.0 lbs (45 g to check, turn food if necessary, close the door. 2. Warm Hold can be...quickly than deep blocks. ■ Separate food pieces as soon as possible during or at end of cycle: Touch ...
Owners Manual - Page 13

... with wet cloth. Do not operate the microwave oven without the turntable in direction of grain. MICROWAVE OVEN CARE General Cleaning IMPORTANT: Before cleaning, make sure all -purpose cleaner: Rinse with clean water and dry with soft, lint-free cloth. ■ Vinegar for 2 to 5 minutes in microwave oven. MICROWAVE OVEN CAVITY MICROWAVE OVEN DOOR AND EXTERIOR To avoid damage to order...
Owners Manual - Page 14

...a packaging spacer (on some models, is sitting securely on the turntable, then restart microwave oven. Place 1 cup (250 mL) of cycle...TV receiver near the microwave oven? There has been a power failure or the Clock time has been turned off ? See "...some models, is the Demo Mode in use ? Microwave oven makes humming noise ■ This is not working properly. If it...
Owners Manual - Page 15

... / White MK1150XVQ / White MK1150XPB / Black MK1150XVB / Black MK1150XPS / Stainless MK1150XVS / Stainless RBS305PD GBS307PD *Approved, electric single microwave ovens only 15 To locate the Whirlpool designated service company in your appliance. Built-In Kits This countertop microwave oven can be built in by kit model number. See "Assistance or Service" section for assistance or...
Dimension Guide - Page 1

...Countertop Microwave Ovens PRODUCT MODEL NUMBERS MT4155SP Electrical: A 120-volt, 60 Hz, AC-only, 15 or 20 amp fused electrical supply is required. (A time-delay fuse is recommended.) It is recommended that a separate circuit serving only this appliance be built into a wall or cabinet over over approved electric single ovens...back and side of the oven where the exhaust vents are for details. ...
Installation Instructions - Page 2

...OVER 24" OVER 27" OVER 30" (61.0 CM) (68.6 CM) (76.2 CM) BUILT-IN OVEN BUILT-IN OVEN BUILT-IN OVEN Width 22¹⁄₂" (57.15 cm) 25¹⁄₂" (64.77 cm) 25¹... H. We have provided many important safety messages in this manual and on your appliance. BUILT-IN MICROWAVE OVEN SAFETY Your safety and the safety of injury, and tell you what can kill or hurt you how...
Installation Instructions - Page 3

... side of electric shock by providing an escape wire for the electric current. WARNING: Improper use an extension cord. SAVE THESE INSTRUCTIONS Microwave Oven Preparation 1. Connect side duct to whether the microwave oven is recommended that is equipped with a cord having a grounding wire with a grounding plug. Electrical Requirements WARNING Bottom Duct Assembly 1. In the...
Installation Instructions - Page 4

...on ducts, then fasten with anti-tip bracket. Anti-tip bracket C. Make sure microwave oven is centered within cutout opening and slide it into cutout opening. Centerline...8260;₂" screws. A B C A. Be sure to align the centerline of template to centerline of microwave oven, and attach the duct assembly to mark hole centers for anti-tip bracket. (Use drill.) 3. ...

Whirlpool Knowledge Base Results

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  • My fan is running slower than usual
    ... search tips My microwave oven makes humming noises Nothing operates on my microwave for and how do I operate it? Fan runs during self cleaning.  NOTE: This refers to normal room temperature. My fan is running slower than usual Why is self cleaning. Has the microwave oven been stored in microwave combination oven cooling fans will run slower until the microwave oven warms to the...
  • My microwave cooking times seem too long
    My microwave oven makes humming noises
  • What is the vent fan on my microwave for and how do I operate it?
    ... the microwave oven. If the vent fan pad is touched during use and after oven is off . When this occurs, the vent fan cannot be turned off My microwave oven makes humming noises To turn on at medium speed when any non-sensor cooking function begins or at low speed. It will remain on until the cooking function ends. The vent (exhaust) fan has...

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