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Whirlpool MH1170XSB Support Question

Whirlpool MH1170XSB Support Question

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Question posted by geecirca64 on March 31st, 2014

How Do I Fix The Display Lighting?

The display lighting is out. The microwave still works, but the display light is out. I can still punch in times to cook and set the timer, but the display is not working.

Current Answers

Answer #1: Posted by waelsaidani1 on March 31st, 2014 6:44 AM
This answer was accepted by the poster of the original question.
waelsaidani1

Member since:
May 12th, 2013

Points: 19,501,797
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Turn the oven off.
Locate the transformer behind the control panel.
Using the multimeter check the continuity between 2 red and 2 blue contacts at the transformer.Take the one wire off when testing.Replace if any of the two windings is open.
First of all turn the power to the oven off.

You need a multimeter to check the continuity of the two windings. One is with 2 blue wires and another with 2 red wires.Take one wire off each winding and with the meter set to continuity touch with each meter's probe one of the same color contacts.You should read >0 ohm.
If you read infinity - transformer is bad.

Related Whirlpool MH1170XSB Manual Pages

Use and Care Guide - Page 2

... AND FEATURES 5 Turntable 5 Cooking Rack 5 MICROWAVE OVEN CONTROL 6 Display 6 Start 6 Cancel Off 6 Add 30 Seconds 6 Clock 6 Tones 7 Timer 7 Control Lock 7 Vent Fan 7 Cooktop Light 7 Demo Mode 7 MICROWAVE OVEN USE 8 Food Characteristics 8 Cooking Guidelines 8 Cookware and Dinnerware 9 Aluminum Foil and Metal 9 Microwave Cooking Power 10 Manual Cooking 10 Cooking in Stages (or...
Use and Care Guide - Page 3

...the fuse or circuit breaker panel. - for a short time before using electrical appliances basic safety precautions should not be inserted in the microwave oven as they may create a fire or risk of electric ... personnel. Do not leave paper products, cooking utensils, or food in the cavity when not in the microwave oven for example, closed , turn oven off, and disconnect the power cord, or...
Use and Care Guide - Page 4

...use above both gas and electric cooking equipment. [] Intended to be used above ranges with maximum width of the oven. This will cause overheating of ...microwave oven. [] Clean Ventilating Hoods Frequently - Do not use an extension cord, Failure to operate this appliance. Recommended: [] A time-delay fuse or time-delay circuit breaker. [] A separate circuit serving only this oven...
Use and Care Guide - Page 5

The appearance of the hub. The cooking rack is helpful when cooking with plates that are larger than the turntable, or when cooking with the rack. See "Assistance or Service" section to help cook food more containers at the same time. Microwave oven light F. Place the turntable on . When not using Popcorn function. Do not allow the rack to...
Use and Care Guide - Page 6

.... @ COOK TIME © COOK POWER © WARM CLOCK HOLD %1AR,_ Q REHEAT © COOK © TIMER DEFROST Set/Off ® VENTFAN Hi-Med.Lo-Off _ (_Htoollodc3kSec OFF @® LIGHT Hi.Lo-Off TURNTABLE On- This is opened. Touch the number pads to set the time of day mode and the programmed function will return to the microwave oven, a ":" will reappear in the display...
Use and Care Guide - Page 7

... will appear in the display while the microwave oven is also operating to cancel the Timer. It will sound. Touch TIMER SET/OFF. Touch TIMER SET/OFF when a cook function is off . The length of time can be canceled. The cooktop light has 3 settings: high, low and off and remove the DEMO icon from the display. When set the length of time. 3. Touch and hold...
Use and Care Guide - Page 8

... place and correct side up when microwave oven is not available, wax paper, paper towels or plastic wrap approved for canning, sterilizing or deep frying. The length of standing time depends on or allow a standing time. When microwave cooking, the amount, size and shape, starting temperature, composition and density of a light, porous food, such as cake. Steam...
Use and Care Guide - Page 9

... Acceptable for shielding, and approved meat thermometers may be used properly, arcing (a blue flash of The Dow Chemical Company. Place cookware or dinnerware in the microwave oven. 1-®STYROFOAM is a Registered Trademark of light) can be at 100% cooking power for Microwave Use: 1.
Use and Care Guide - Page 10

... Taking chill out of the cook times. Enter the new cook time and touch START or wait a few seconds for the countdown to resume. The microwave oven can be set for manual cooking at different cooking powers for various lengths of time to clear the display and/or stop reminder tones. Touch START. To Change Cook Time: Touch COOK TIME. Touch START. 10 Heating cream...
Use and Care Guide - Page 11

... at this 15-second period, the magnetron is off, and the microwave oven is 16 slices per pound. During this time by reminder tones. 6. Touch pad repeatedly to scroll through cycle. Doneness for common microwavable foods. Touch START. The display will count down the cook time. Touch CANCEL OFF or open the door to pop unpopped kernels...
Use and Care Guide - Page 12

...smaller rolls, 2 rolls may be used or the microwave oven can be manually set to clear the display and/or stop reminder tones. To Use Reheat: 1. See "Microwave Cooking Power" chart. The turntable must be 0°F... between top and bottom (if heating more than 2 plates). The display will sound, followed by touching COOK TIME. 5. Use the following chart as chicken wings, leg tips and ...
Use and Care Guide - Page 13

... cycle: Touch WARM HOLD while setting a cooking cycle before or after the cooking cycle ends and the end-of irregular shaped cuts should be set from 0.2 to 4.4 Ib (90 g to clear the display and/or stop reminder tones. See "Microwave Cooking Power" chart. Food Poisoning Hazard Do not let food sit in oven more than 1/4 Ib (113 g) or...
Use and Care Guide - Page 14

... shake to 5 minutes in direction of water with soft, lint-free cloth. Rub in microwave oven. Steam will soften soil. Soil buildup may lead to arcing and cause damage to order.... nonabrasive soaps and detergents: COOKING RACK Heat 1 cup (250 mL) of grain to remove embedded dirt and grease. Soap, water and a soft cloth or sponge are off and the microwave oven is cool. Dampen sponge with...
Use and Care Guide - Page 15

...Plug in place. Replace grease filter by sliding filter to reorder. Install new charcoal filter. 5. Unplug microwave oven or disconnect power. 2. Top louver C. Vent grille B. Replace mounting screw. 4. Tabs 2. To Remove and Replace Charcoal Filter: 1. The cooktop light is a candelabra base bulb. Mounting screw 3. 2. The grease filters should be removed and cleaned at...
Use and Care Guide - Page 16

... Lift up the bulb cover. Close bulb cover. 6. The microwave oven light is operating. See "Assistance or Service" section to remove. 4. To Replace: 1. AB C 3. Mounting screws A. Top louver C. Reattach vent grille. Plug in microwave oven or reconnect power. 16 Replace light. Unplug microwave oven or disconnect power. 2. Vent grille B. Replace the mounting screws...
Use and Care Guide - Page 17

...support working properly? Display shows messages Is the display showing ":"? There has been a power failure or the clock time has been turned off . See "Display" section to clear. See "Assistance or Service" section. See "Microwave Oven Control" section. • On some models) attached to turn it on motor rotation at 100% cooking power. See "Display" section to clear display. Nothing...
Use and Care Guide - Page 18

... stored in the home. Tones are clean. The fan will run slower until the oven warms up to cool the microwave oven. Cooking times seem too long • Is the cooking power set properly? Larger amounts of food being heated? Try a different outlet. Some 2.4 GHz-based cordless phones and home wireless networks may experience static or noise...
Use and Care Guide - Page 19

This information will fit right and work right because they are trained to Whirlpool Corporation with : • Features and ...Turntable Hub Part Number 8206228 Cooking Rack Part Number 8205042 Rack Corner Clip Part Number 8205039 Grease Filters Part Number 8206229 Charcoal Filter Part Number 8206230 Cooktop Light Bulb Part Number 8206232 Microwave Oven Light Bulb Part Number 4393681 Cleaning...
Use and Care Guide - Page 20

... by calling Whirlpool. Repairs when your major appliance is used for product service in the home. 8. Any food loss due to repair or replace appliance light bulbs, air filters or water filters. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS, WHICH VARY FROM STATE TO...
Installation Instructions - Page 1

... messages will follow instructions. Location Requirements 2.. INSTALLATIONREQUIREMENTS 2. Install the Microwave Oven 9.. Remove Mounting Plate 4.. The appearance of your appliance. Install... electric or gas cooking products up to 36" (91.4 cm) wide. Electrical Requirements 3.. These installation instructions cover different models. MICROWAVE HOOD COMBINATION INSTALLATION ...

Whirlpool Knowledge Base Results

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  • My gas oven won't operate
    ..., Clock Set, Oven Light (on some models, is the warranty on my gas range and how does it work? What is the Control Lockout set correctly? ...oven won't operate. Press and hold Start for 5 seconds. FAQs Knowledgebase search tips Display showing letters and numbers and hidden features/functions Surface burners fail to unlock. Turn on the display. On some models) and Timer...
  • The self-cleaning cycle on my gas range will not operate
    ... not wipe down " arrow pad to clear the oven display. Style 3 - Style 1 (on some models) - Electric Oven Control Press PreciseClean button. The oven will light up " or "down any time (on steel in the oven may result in the glass breaking. The clean time can be set ? To stop and clean time will appear on door frame. Self-cleaning issues...
  • What is the Control Lockout or Lockout on my electric range?
    ... 5 seconds. My range is not working at all Oven door is locked and won 't work To Lock/Unlock control: Before locking, make sure the oven and Timer are off. Control Lockout or Lockout (on some models) and Timer pads will function. A single tone will sound, and "Loc" will disappear from the display.  "Loc" will appear on...

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