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The tank ran out of gas yesterday morning and we changed out…

Customer Question
The tank ran out...

The tank ran out of gas yesterday morning and we changed out the gas tanks. We went to turn the thermostat on and the furnace won’t come back on. Is there a safety switch or something preventing it coming back on?

Mechanic's Assistant: What is the make/model/year of your RV?

2019 Winnebago Minnie plus 30rlss

Mechanic's Assistant: Are you fixing your RV yourself? What have you tried so far?

Yes we are fixing it We have tried turning everything off n unplugged the main plug to reset everything

Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you?

It still doesn’t want to come on

Submitted: 1 year ago.Category: RV
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Answered in 3 minutes by:
1/27/2021
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago
Nachum Wagschal
Nachum Wagschal, RV Mechanic
Category: RV
Satisfied Customers: 3,304
Experience: 26 years experience Auto Rv and Diesel
Verified

Good Afternoon ,

There is a lockout where it wont retry for an hour after it does not light.

If you can access the power switch on the furnace you can turn it off and back on to reset that time period or just leave it on and let it retry every hour till all the air is out of the lines .

By lighting the stove it will help to get some of the air out of the lines .

I am assuming the blower comes on and it tries to light and doesn't so it shuts back off. it will do it 3 times then wait an hour

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Customer reply replied 1 year ago
It never kicked back on at all after replacing the gas tank
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

the blower isn't coming on when you turn it on ?

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Customer reply replied 1 year ago
I lit the stove burners n they work fine so there working fine
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

The stove gets gas much quicker than the furnace, the furnace only tries to light a small amount before it shuts off .

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Customer reply replied 1 year ago
Where do I turn it back on at
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

Just turn it on at the thermostat and the blower should come on for a little bit before it tries to light .

Is the blower not coming on at all ?

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Customer reply replied 1 year ago
I turned the thermostat on nothing is kicking on
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

Is your battery fully charged ?

Are you plugged in ?

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Customer reply replied 1 year ago
I’m plugged into electricI unplugged the main electric cord outside hoping to reset everything but still didn’t kick on
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

Can you check the battery voltage ?

The furnace runs off of the battery only.

The first thing that should happen is that your blower should come on ,

if it doesn't then either the battery is too weak ,

a fuse is blown and there is no power to the furnace

or the thermostat isn't requesting heat

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Customer reply replied 1 year ago
The thermostat kicks my air onIs there something on the furnace that prevents smelling gas in the camper when the gas is out?
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

We are trying to fix the heat though the air isn't connected to the furnace at all

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Customer reply replied 1 year ago
I know that! I’m just stating that nothing is wrong with the thermostat
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

they are 2 different functions .

Do you have a voltmeter ?

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Customer reply replied 1 year ago
What is the 2 functions? I don’t have a voltmeter with me right now
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

Your AC runs off of 110 volt AC and your furnace runs off of 12 volts DC.

Do you know the model number of the furnace ?

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Customer reply replied 1 year ago
My camper is a 2019 Winnebago Minnie plus 30rlss
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

Here is a troubleshooting guide.

http://techsupport.pdxrvwholesale.com/wp-content/uploads/2017/08/Furnace-Troubleshooting-Guide.pdf

If you can find your exact furnace model on s sticker on it i can can get you more specific instructions and wiring diagrams

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Customer reply replied 1 year ago
Ok I’m taking the panel off nowIt’s a DFMD35111
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

ok give me a minute

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RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

This manual covers your furnace ,

Wire diagrams are on page 23

pages 24 and 25 are operating and troubleshooting instructions

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Customer reply replied 1 year ago
I’ve read that n still doesn’t help
RV Mechanic: Nachum Wagschal, RV Mechanic replied 1 year ago

How can I help ?

I can tell you which wires to check with a voltmeter.

Can you see the board is it flashing any codes ?

I can tell you they are having lots of problems with the sail switches in these .

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Nachum Wagschal, RV Mechanic
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