Hi I own a 2017 Tab Outback bought last year and have had a year and 10K miles with no major problems. However last week while camping in Shenandoah Va, we were boondocking with temps in the 20s and the furnace would not cycle. It would initially cycle up and run for a while but when it would shut down upon reaching temp and then try to cycle back up it would throw the gas failure error. We would then go into the system reset function and reset it. Again it would run fine initially then throw the error when cycling. I had a new tank of propane and my fridge and stove worked fine I also read about the circulating pump might need adjusting so I turned it down to 1. We camped a few days later at a state park with power and no issues at all running the furnace set on electric and gas. I am now home and trying to replicate the problem I am running on battery and propane the temp is around 45 the furnace has been operating for a couple of hours along with the fridge on gas with no issues.
Finally can someone please describe to me where the glycol tank is located I have stood with my head crammed in that furnace compartment for hours looking for that thing and I cant find it. It could be low on glycol although I had another Tab owner tell me that the newer models have a sealed system and the you don't have to worry about glycol levels is this true? Any ideas on next steps should I haul it into a dealer which is a two hour drive will likely result in them not able to recreate the problem.
Comments
https://tab-rv.vanillacommunity.com/discussion/3332/alde-expansion-tank
TV: '17 Colorado V6 Z71 4x4, Tow Package, GM Brake Controller
Adventures: 54 Nights: 341 Towing Miles 43,780
If you still cannot get it to work the Alde folks in Portland Oregon will talk to you and they were very helpful when I had a problem. Number should be in manual.
Good luck.
If voltage drops below 10.5 V DC, the gas supply to the burner will be switched off.
TV: '17 Colorado V6 Z71 4x4, Tow Package, GM Brake Controller
Adventures: 54 Nights: 341 Towing Miles 43,780
T@Bit@t 2015 S Max Outback, ‘18 V6 4Runner
2023 Tab 400 / 2022 F150 XLT Sport 3.5EB
Traded in - 2018 T@B 320 S/2019 Toyota 4Runner SR5
TV: '17 Colorado V6 Z71 4x4, Tow Package, GM Brake Controller
Adventures: 54 Nights: 341 Towing Miles 43,780
First place I'd check is the connection to your propane tank. I was getting a gas fault a few weeks ago. I completely unscrewed the acme nut (the big green nut that attaches to the tank), then screwed it back in and made sure it was hand tightened very snugly--more snugly than I was accustomed to. Problem went away and has not returned.
2019 Chevy Colorado Z71 Duramax
2020 320s Boondock lite, With Lots of mods
2019 Chevy Colorado Z71 Duramax
2019 Chevy Colorado Z71 Duramax