Tom and Doreen Posted January 13 Share Posted January 13 I'm posting this in case anyone else encounters this problem: We were traveling back east from Hohenwald in a driving rain storm through GA and upon setting up at the campsite could not get the Truma furnace to heat; the error E 5 H was displayed on the digital display panel. The Truma documentation that I have did not list this particular error code. The furnace had been operating flawlessly prior to the rain storm so I suspected that the problem had to do with moisture preventing the furnace from igniting. I took a hair dryer and blew warm air up into the Truma exhaust vent to dry out any accumulated moisture and that fixed the problem. If anyone has a detailed description of the E 5 H error please post it here as I could not find a description online or in my documentation. 2 5 Tom & Doreen • 2023 Elite ll • Hull #1321 • 2023 Tundra Platinum Crew Max • Cheshire CT Link to comment Share on other sites More sharing options...
Geronimo John Posted January 13 Share Posted January 13 Creative solution! Glad it work out so well. GJ 3 TV: 2019 F-150 SuperCrew Lariat, 3.5L EcoBoost, Max Tow, FX-4, Rear Locker OLLIE: 2018 OE2 Hull 342, Twin Bed. OLLIE DIY’s: Timken Bearings, BB LiFePO4's, Victron 712 Smart, 350 Amp Master Switch, Houghton 3400, Victron Orion DC - DC, 3000-Watt Renogy Inverter, P.D. 60-amp Converter, Frig Dual Exhaust Fans, Kitchen Drawer Straps. TV DIY’s: 2 5/16" Anderson System, Nitto recon’s, Firestone Rear Air Bags, Bilstein 5100’s, Mud Flaps & Weather Tech all, installed Ham Radio (WH6JPR). Link to comment Share on other sites More sharing options...
Moderators topgun2 Posted January 13 Moderators Share Posted January 13 Nice creative and thoughtful approach - good work. But, THIS kind of thing probably shouldn't happen in the first place. I'd make sure that both Truma and Oliver Service know about it. Bill 3 2023 Ford F150 Lariat 3.5EB FX4 Max Towing, Max Payload, 2016 Oliver Elite II - Hull #117 "Twist" Near Asheville, NC Link to comment Share on other sites More sharing options...
Patriot Posted January 13 Share Posted January 13 Thanks for the info! And quick thinking on your part to resolve it. 2 2020 OLEII - Hull #634 aka- “XPLOR” 2021 F350 6.7 liter Diesel Lariat Ultimate Tremor North Carolina 🇺🇸 Link to comment Share on other sites More sharing options...
MAX Burner Posted January 14 Share Posted January 14 Awesome troubleshooting, @Tom and Doreen! Way to think through the issue and fix it! Definitely let OTT and Truma know about your issue... Art, Diane, Magnus & Oscar (double-Aaarrf!) 2022 TUNDRA 2017 LE II; Hull #226 "Casablanca" HAM call-sign: W0ABX Link to comment Share on other sites More sharing options...
Tom and Doreen Posted January 31 Author Share Posted January 31 This is a follow-up to my earlier post regarding the E5H error. Truma did respond with the following description for the E5H code: "ionisation voltage recognized during standby mode. Could have been from a solenoid sticking for a moment due to moisture on the sensor, or a voltage spike". In my case I'm sure it was due to moisture as a result of traveling during heavy downpours. 3 4 Tom & Doreen • 2023 Elite ll • Hull #1321 • 2023 Tundra Platinum Crew Max • Cheshire CT Link to comment Share on other sites More sharing options...
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