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Atwood 8535 with 1 flash limit fault/air flow, 11k started…

Customer Question
Atwood 8535 with 1...

Atwood 8535 with 1 flash limit fault/air flow

Mechanic's Assistant: How long has this been an issue? How many miles are on the car?

11k started last night. Furnace will not run, when reset the blower will come on very short bursts 3 times thennothing

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

2015 fleetwood bounder 33c 1 yr and 1 day old

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

So far I reset the reset, before that I had a solid red light. Now getting the one flash every three Seco ds

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

Is there another reset?

Submitted: 5 years ago.Category: RV
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Answered in 4 hours by:
4/1/2017
RV Mechanic: Robert, RV Mechanic replied 5 years ago
Robert
Robert, RV Mechanic
Category: RV
Satisfied Customers: 24,097
Experience: 23 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.
Verified

Hi my name is Robert.....

When this is happening is the furnace actually lighting off briefly and then shutting down with the fan, is it sparking etc?

Really important you have good DC voltage, if the voltage was low or dropping off the sail switch would shut down the furnace as the air flow would not be correct. Low voltage can affect how fast the fan is spinning. The high limit could also be shutting the furnace down, make sure nothing is blocking the vents inside as air flow is crucial. The circuit board could also be at fault and a RV shop/store can test that to see if it is good or not, a special board tester can be used. The furnace will try and run 3 times then shut down. IF it is sparking and not lighting the LP pressure could also be an issue. IT really is a process of elimination when you troubleshoot these. IF you like I can send you a service manual as well....

Robert

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RV Mechanic: Robert, RV Mechanic replied 5 years ago

Hi.... Was just checking in to see if my answer helped??? IF you have more questions or concerns please feel free to contact me...

Robert

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Robert, RV Mechanic
Category: RV
Satisfied Customers: 24,097
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Experience: 23 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.

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