Model #79075761001 KENMORE Free Standing, Gas

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Question and Answers

Q:

does the stove have a pilot light? 79075761001 Kenmore Gas range

A:

Thanks for the inquiry and for being a valued member.

I am sorry to hear that the oven isn't heating properly. I know how frustrating that is.

This oven will use electric igniters that will need to glow to a specified ohms temperature to allow the safety valve to open and release fuel. You will need to determine whether the lower igniter is glowing when the bake is initiated. If not, you will need to check the connector that the igniter connects to for 120vac. If it's there, then a replacement igniter should solve the issue. If not, you will need to trace the wiring to the control board to make sure there are no breaks. If the wiring checks out, a replacement control board may be required to solve the issue. If you need the replacement bake igniter, the part number is WB13K21.

If you would feel more confident having a Sears Home Service technician help assist with the diagnosis/repair, you can call 1-800-469-4663, or click here to be directed to the page to set up service.

I hope this helps and thanks for using SearsPartsDirect.com. We appreciate your business. 

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Jeff Wallace Sr -
Sears Technician
January 22, 2015
Q:

Why would all 4 top surface igniters quit working all at once?

A:

There is not a fuse in the back or anywhere else in your model range. See image below of the wiring diagram and other additional information on how the surface igniters operate and troubleshooting.

Whenever a top burner valve is turned to the lite position, the switch on the valve stem closes and provides power to the module. Power is applied to the module at terminals L and N. Internally, power is applied to a rectifier charging circuit that pulses a step up transformer two to three times a second. The secondary of the transformer is connected to the two output terminals of the module.

  1. If none of the burner igniters spark, disconnect power, and turn off the gas to range. Remove the lower rear wire cover that covers the module, and reconnect power. Caution: Do not attempt to measure the high voltage output of the module.
  2. Turn one top burner valve to LITE and connect an AC voltmeter across the input terminals L1 and Neutral of the module. If the meter reads zero, check the wiring to and from the top burner switches. If the meter reads 120 VAC, go to 9. Note: Since the top burner switches are in parallel, it is unlikely that all four switches would fail at the same time.
  3. If one or more of the igniters is working, disconnect power and reverse the leads on the output side of the module. Reconnect power. If the same igniter still does not spark the lead to that igniter is open or shorted to chassis. If the igniter does work, replace the module. The module is part #316135702.
  4. If none of the igniters work, disconnect power and remove four leads from the output side of the module. Reconnect power and listen to the module. If a snapping sound is heard, the igniter leads are shorted to chassis, check igniter wiring or igniter. If the spark module does not make a snapping noise, replace the spark module.

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Joey S -
Sears Technician
January 22, 2010
Q:

Why won't the surface burners and oven not ignite?

A:

I will assume that the surface burners will light with a match or lighter. I must also assume that the surface burners and oven quit lighting at the same time.

First, the bake and broil burners inside the oven does not use a spark ignition system to ignite the bake or broil burner. The bake and broil operation uses a glow bar ignition system. It uses a glow bar igniter and an oven gas safety valve. When the oven control is set to bake or broil, the control board provides voltage to the glow bar igniter. When the igniter begins to glow bright red it will eventually cause enough current/load on the gas valve which will open and let gas flow to the bake or broil burners and the gas will ignite off the glowing igniter. If the bake or broil igniter is too weak, the oven gas safety valve will not open. The gas valve requires a minimum amount of current/amperage draw in order for it to open.

It would be odd for the surface igniters and the bake and broil operation to quit working. If both quit at the same time it may be a voltage supply issue. The voltage supply may be too low to cause the bake and broil to operate as well as a weak spark at the surface burners electrodes. I added an image below of the wiring diagram. The surface burners uses a spark electrode to provide a spark to ignite the gas on the surface burners.

I recommend calling a service technician to diagnose and repair your gas range.

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Joey S -
Sears Technician
October 19, 2009

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