Question about Hotpoint RGB745 Gas Kitchen Range
Went to preheat oven and it never ignighted. The oven light lit up, but never got hot. We do not smell gas. Model# RGB745WEA2WW
If everything works on your range, but the oven, the most likely culprit is the igniter for the BAKE manifold. What is confusing me, though is the statement in your question where you say the "oven will light up, but never get hot". Yet, you say the oven does not ignite. Can you clarify this? In some ovens the BAKE and BROIL manifolds BOTH light when preheating, to reduce the warm up time. Once the desired temperature is reached the manifold not in use, will shut off.
In any case, on a gas range, the burners for the BAKE and BROIL manifolds use an electric glow bar type igniter. There's a separate igniter for EACH burner. When you make a bake or broil selection on your oven control, the respective igniter begins to glow. After the igniter reaches a certain current potential, the gas safety valve is opened, gas flows to the manifold, and voila! You have ignition. It can take as long as 90 seconds for the burner to ignite. What can happen over time, is the igniter becomes weak or fails. If the igniter becomes weak, it will still glow, but it never reaches the desired current potential to open the gas safety valve. The result: you end up with an igniter glowing with no ignition. And, if you're like me, you're left scratching your head wondering why the thing isn't working when it "looks" like it is. You can easily tell if the igniter is working by opening your oven door and selecting bake. Watch the oven pan in the bottom of the oven. You should see an orange glow coming from under it. It here's no glow at all, the igniter has probably failed. If there IS a glow, a current reading will tell if it's within tolerance. The following link explains more on these igniters and how to replace one:
The bake igniter is a common fail item as it gets used more frequently than the broil function. On your range both igniters are interchangeable. You can purchase replacements on line at searspartsdirect.com, repairclinic.com, or appliancepartspros.com. The part number is WB2X9154. Shop all three sites for the best price.
I hope this helps you. If my assessment of your symptoms is wrong, or if you need further assistance, please let me know.
Posted on Jan 16, 2009
You won't smell gas because there is a safety system that prevents the main gas valve from opening until a pilot confirm signal is sent.
The sequence of operation is -
1) Oven control is turned on
2) Gas flow occurs through the main oven control to the pilot burner and electronic ignition starts
3) Ionization sensor near the pilot senses if there is a pilot
4) If there is a pilot, open the main gas valve
5) If not pilot, shut down pilot gas flow
I suspect the igniter is bad, but it could be the main controller board. You can go to Sears Parts Direct website, tyepe in your model number, and get an exploded view and parts listing for your unit.
Posted on Jan 16, 2009
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Posted on Jan 02, 2017
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