Model #OSS-450 RYOBI Sander

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Question and Answers

Q:

Husqvarna 450 Chain Saw. Will not start after initial use

A:

Thank you for your question on the Husqvarna 450 Chain saw not starting.

I am sorry that you are having problems with the new chain saw.

I have discussed this situation and after discussing your problem with the Husqvarna support team they have a couple of options for you.

I can help you in one of two ways. You can send to my your e-mail address and your name and mailing address information and I can forward that onto the manufacturer support person and he can either send you a pick up ticket for the chain saw and send it back for warranty service and then send it back to you. Or he can send you a new replacement unit and he can send the old one back with the same pick up system.

If you would include the complete model and serial number of the saw with you mailing information it would be helpful.

My e-mail address is sande38@searshc.com and you can specify to me what you would prefer the manufacturer to do.

Thank you.

Sam A.

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Sam A -
Sears Technician
July 27, 2012
Q:

What would cause the oven thermostat to shut off when it's turned past 450 degrees?

A:

In order to diagnose the operation of the oven thermostat will require testing continuity of the thermostat contact when the red light turns off. I added the instructions in an attachment I sent to your email because we are not able to attach any documents to our answers at this time. There is no generic thermostat or equivalent for your model range. You must use the WB21X5358 t-stat.

I recommend calling a service technician to properly diagnose and repair your range. You do not want to purchase and replace the thermostat to find it does the same thing.

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Joey S -
Sears Technician
January 04, 2010
Q:

What would cause my gas oven to shut off and then finally heat up to 450 degrees?

A:

Based on your symptom and details the likely failure is a weak bake ignitor. If the bake igniter is weak it will not pull enough current to cause the gas valve to open. See theory of operation in the image I added below.

The bake and broil igniter can be switch if the broil burner will ignite. The floor of the oven is removable in order to access the bake igniter. You can remove the bake igniter and replace it with the broil igniter in order to check to see if the bake operation will work and heat up normally. If the bake burner operates normally after swapping the bake igniter with the broil igniter that would confirm the bake igniter was too weak to cause the gas valve to open and the bake igniter/broil igniter should be replaced. The igniter is part #WB2X9154.

The igniter is available to order from Sears Parts Direct.

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Joey S -
Sears Technician
February 16, 2010