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oven flame cycles on and off quickly

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Oven Repair (including Ranges and Cooktops)

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The oven burner will come on and light and then immediately turn off, then immediately light again, go off and

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Old 11-22-2012, 08:12 AM
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Default oven flame cycles on and off quickly
Brand: Magic Chef   Age: 5 - 10 years   

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The oven burner will come on and light and then immediately turn off, then immediately light again, go off and on like this during the warm up time and cooking cycle. The flame continues to cycle constantly. This condition does not happen every time so when we call a repair person out it never happens while they are here. However, almost 80% of the time it happens to us. It seems the sensor is in the right place and it was even replaced once to see if that was the issue. Any help or suggestions/questions?

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Old 11-24-2012, 03:16 AM
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Replace the bake igniter.
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Old 11-24-2012, 11:06 AM
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I understand your answer but why would we get the oven to work sometimes and then it acts up. I have replaced these on my furnace many times and they were broken thus interrupting any glow. Can these ignitors fracture and continue to work? Never had this happen before. My model CGR3740ADL does not pull up on the internet. Is there a generic ignitor for this model?
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Old 11-24-2012, 11:31 AM
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The most common problem with gas ranges not heating properly or not turning on is the oven igniter. The oven or broil igniter may turn on and glow red and still be defective. The igniter(s) need to draw 3.2 to 3.6 amps to open the oven safety valve. Use an amp probe around one of the igniter wires to check the amps. If the igniter is not turning on use meter set to VAC and check for 110 VAC between the two igniter wires.
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Old 12-01-2012, 03:43 PM
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Quote:
Originally Posted by rickgburton View Post
The most common problem with gas ranges not heating properly or not turning on is the oven igniter. The oven or broil igniter may turn on and glow red and still be defective. The igniter(s) need to draw 3.2 to 3.6 amps to open the oven safety valve. Use an amp probe around one of the igniter wires to check the amps. If the igniter is not turning on use meter set to VAC and check for 110 VAC between the two igniter wires.
Today was my day to look at the oven. I replaced the igniter as you suggested and it did not help. I have the bottom plate out of the oven and the igniter glows and after a couple of minutes the flames comes on but is very weak. It flutters and goes out and then because the igniter is still glowing the gas comes on again very weakly and so on ............. It seems the igniter was not the problem so do you have another idea? Could the gas valve not be opened fully? Should the igniter glow the entire time the oven is warming up or maintaining heat?
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Old 12-01-2012, 04:26 PM
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Yes, the igniter should stay on. If it's not the igniter the the oven safety valve is the only thing left.
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Old 12-01-2012, 06:45 PM
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Quote:
Originally Posted by rickgburton View Post
Yes, the igniter should stay on. If it's not the igniter the the oven safety valve is the only thing left.
One more question, I hope. My model has a dual oven saftey valve
http://www.********.com/itm/MAYTAG-G...em4d0773 e535

If the safety valve is faulty wouldn't we have trouble with the burners on top of the oven? We don't have any trouble with the burners just with the oven. Do they operate seperately within that one safety valve? Thanks again.
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Old 12-01-2012, 06:47 PM
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Part number 74006427
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