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Old 01-18-2021, 03:41 PM   #1
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furnace not ignited

I bought a 1992 29' Excella about one month ago. The furnace was working then. Now it only blows cold air. What do I need to check to fix so that it will blow hot air? I followed the instruction and try turn the manual gas valve on and off few time, no luck. Thanks in advance.
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Old 01-18-2021, 03:52 PM   #2
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Xin Li,

Can you post the make and model of the furnace?

Gary
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Old 01-18-2021, 04:39 PM   #3
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That looks like a Suburban furnace, and you need to open the combustion side and check the sail switch. Do a search on the internet on "Suburban furnace" and you will see a You tube on how to check the sail switch, and replace if necessary. But first, check to see if you have propane, by lighting the stove. Alkso confirm that the shut off valve below the trailer is open.
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Old 01-18-2021, 05:24 PM   #4
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If CBWELL is correct and that is a Suburban after you get the model number go to https://myrvworks.com/manuals/ select FURNACE then SUBURBAN. Darrell has 13 PDF's for Suburban furnaces. Some are model specific. You might find an applicable manual to assist.
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Old 01-18-2021, 06:11 PM   #5
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It is a suburban furnace.
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Old 01-18-2021, 06:12 PM   #6
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Quote:
Originally Posted by CBWELL View Post
That looks like a Suburban furnace, and you need to open the combustion side and check the sail switch. Do a search on the internet on "Suburban furnace" and you will see a You tube on how to check the sail switch, and replace if necessary. But first, check to see if you have propane, by lighting the stove. Alkso confirm that the shut off valve below the trailer is open.
it still have propane.
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Old 01-19-2021, 05:37 AM   #7
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With the model number you can review information specific to your model in the link I provided.

When it tries to start do you hear any spark clicking sound?
Do you smell gas while it's trying to start?
Do you have an electrical test meter?
Gas stove burner works?
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Old 01-19-2021, 01:58 PM   #8
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fixed. it was the contact to the igniter not properly connected.
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Old 01-19-2021, 03:54 PM   #9
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That was an easy fix! Glad everything worked out.
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