bosch hgs345 oven

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Old 09-27-12, 05:25 PM
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bosch hgs345 oven

The top burners and broiler will light but the oven will not. Replaced the ignitor but the oven still will not light.
 
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Old 09-28-12, 07:13 AM
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Hello Sammy. Welcome to the Gas Appliances topic.

Chances are the ovens gas control valve is defective. Since there is a new hot surface glow igniter (HSI) already installed, try this trick. Turn oven on and wait until the HSI is glowing fully. Then use back end of a screw driver or some similar device and tap gently on the gas valve.

Done correctly should jar internal valve enough to open valve and allow gas to flow and light. Keep your arm lowered enough so it's not near the burner. If burner lights then the gas control valve needs to be replaced. Which is why a knowledgeable appliance service tech replaces both igniter and gas valve at the same time. In matched pairs.

No money is made by tech if valve fails during (HSI) part warranty on a return service call. Best always to replace both igniter and gas valve at the same time. IMO.

Read The Sticky Advice And Information Note In This Topic: Range-Stove-Oven-Broiler Basic Help Information & Manufacturers Web Sites. http://forum.doityourself.com/showthread.php?t=159808

Use the reply button to add additional information or questions. Using the reply button keeps or moves the topic back up to the top of the list automatically and keeps all communications on this subject in this thread.
 
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Old 09-28-12, 01:43 PM
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bosch hgs345 oven ignitor

The ignitor does not glow. What else should we test?
 
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Old 09-29-12, 05:54 AM
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Hello: Sammy



Now you mention igniter doesn't glow....

Changes the entire dynamics of possible causes, testing methods and potential solutions....

If you bought the new HSI retail over the counter at a local retail appliances parts store, did they show you it worked prior to paying for it? If so, then we know it works at that time. If not anybodies guess working or not working.

They are fragile. A tiny invisible to the eye hairline crack renders them defective. Improper handling care during installation can damage an HSI. Assuming no damage, you'll now need to test for electric current at the power source wires at the quick disconnect. Disconnect the HSI and use a voltage meter to test for house current using the meter at the wires going into the HSI connection. House current should be between 110V to 115V or slightly higher to about 120V.

For all others reading this thread, it is always advisable to help us help you by providing all the minor details and specifics of the problem or condition(s). So we can advise you how to diagnose a problem and where to begin.

More details in the STICKY NOTE in this forums topic. Worth reading.
 
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Old 10-08-12, 03:11 AM
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Thanks for your help. After replacing the Hot Surface Ignitor (HSI) we cleaned the thermocouple connections and also made a better connection on the HSI terminals. We don't know what actually fixed the problem but the oven is now working. Thanks again for your help.
 
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