Reset dometic thermostat

3. Reset Your Thermostat By This Method To Stop Troubleshooting. If you are experiencing any issues with your Dometic Duo Therm RV air conditioners, one of the first steps you should take is to reset the thermostat. This can help resolve configuration errors, allowing the unit to work properly again.

Reset dometic thermostat. Dometic WH-6GEA Reset Button. There is some bad news. The Dometic WH-6GEA water heater model does not have a dedicated reset button. ... Inspect the water heater and thermostat to make sure proper contact has been established. Dometic WH-6GEA Parts List. For a list of parts, you can go to the manual. That booklet has several …

2. Simultaneously Depress and hold the MODE and ZONE push-buttons while turning the ON/OFF switch to "ON". FF should appear in the LCD display until the MODE and ZONE push-buttons are released. 3. When a dip switch is turned on or off after initial configuration, a system reset will need to be done before the Comfort Control CenterTM will ...

While the Dometic thermostat is designed for reliable and intuitive operation, occasional issues may arise that require troubleshooting to restore optimal functionality. Understanding common troubleshooting techniques empowers users to address minor issues and ensure seamless performance of their home climate control system.Dometic. Thermostat Manuals. Dometic. Rating 5.0 (votes: 1)Page 13: Service. For Service Center SERVICE OFFICE Dometic, LLC Assistance Call: Dometic, LLC 46 Zatonski, Unit 3 800-544-4881 2320 Industrial Parkway Brantford, ON N3T 5L8 Elkhart, IN 46516 CANADA 574-294-2511 519-720-9578 REVISION Form No. 3313327.037 10/10 3313327.037 (French 3313345.039) ©2010 Dometic, LLC LaGrange, IN 46761...Aug 22, 2023 · Discover how to reset your Dometic thermostat with our comprehensive step-by-step guide. From unresponsive controls to inaccurate readings, learn when and how to perform a soft or hard reset to restore optimal functionality. Troubleshoot common issues, test the reset, and gain post-reset tips for maintaining a comfortable home environment. Expert advice for mastering thermostat resets effectively. Apr 6, 2023 · These methods will resolve most of your Dometic thermostat problems, especially if you have the E7 code. Power interruptions are extremely common among RV owners, and it doesn’t have to be the end of your thermostat’s lifespan. 1. Adjust Your Breaker. The first thing you should do is check the breaker box in your RV.

Can't figure out why your AC & Furnace are running at the same time? Here you go....Got a problem? Comment down below. This video go made because one of my c...Posts: 311. Dometic Thermostat E5 Code. I am camping at Mesa Verde National Park. This evening late, the Heat Pump (15,000) seemed to stall and the thermostat was flashing an E5 Code. Outside temperature is 45 degrees, inside set on 70. Has run perfectly, then this happened. The E5 flashed in all settings (heat pump, furnace, AC) I turned the ...Reset the thermostat by pressing the reset button or following the manufacturer’s instructions for a complete reset. Inspect Wiring Connections. Faulty or loose wiring connections can trigger the E1 code on your Dometic thermostat. Conduct a thorough inspection of the wiring connections to identify and address any issues:These methods will resolve most of your Dometic thermostat problems, especially if you have the E7 code. Power interruptions are extremely common among RV owners, and it doesn’t have to be the end of your thermostat’s lifespan. 1. Adjust Your Breaker. The first thing you should do is check the breaker box in your RV.Turn off the air conditioner: Press the power button on the control panel to turn off the air conditioner unit. Wait for a few seconds for the unit to completely shut down. Disconnect from power source: Once the air conditioner is turned off, disconnect the unit from its power source.The E4 code has nothing to do with the Oasis unit, but with the heat pump/AC unit located on the rear roof of your coach. The "smart" thermostat is telling you that the Outdoor Temp sensor is open or bad (i.e. out of range). If you are electrically trained, this can be measure using a digital volt meter.May 5, 2023 · Here are step-by-step instructions on how to hard reset the thermostat on your Dometic RV air conditioner to ensure that it operates at the proper temperature. The temperature set-point may be changed by pressing the “+” or “” button. The LCD display shows the temperature set-point in two digits.

This manual is also suitable for: View and Download Dometic 3314080.000 BLACK operating instructions manual online. COMFORT CONTROL CENTER 2 PROGRAMMABLE THERMOSTAT. 3314080.000 BLACK thermostat pdf manual download. Also for: 3314080.015 white.PROGRAMMING AND OPERATION. On/Off. To turn On the SZ LCD thermostat, press On/Off Mode button. To turn Off the SZ LCD ther-mostat press the On/Off Mode button and toggle through modes until On/Off green LED is on. LCD will go out while the green LED will remain on for approximately 15 seconds, then go out.I have attempted to reset the thermostat per the user guide we received when bought the unit. Mechanic's Assistant: ... We are the 2nd owner of a 28' Enclosed Trailer with a Dometic ductlless roof air (and supposedly heat strip). It has a Dometic Digital Thermostat with 10 buttons (On/Off, Time, ...Mar 4, 2024 · Troubleshooting Tips for a Successful Reset. When troubleshooting your Dometic thermostat for a successful reset, start by checking the power source. Ensure that the thermostat is properly connected and receiving power. Next, inspect the settings on the thermostat to make sure they are correct. Locked Luxpro PSP511Ca thermostats indicated by the presence of ‘Hold’ on the temperature screen may be unlocked by pressing and releasing the hold button, rotating the dial or cha...

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How Do I Reset The E4 Code On My Dometic Thermostat? To reset the E4 code on a Dometic thermostat, you can try turning off the thermostat by flipping the circuit breaker or disconnecting the power source. Leave it off for a few minutes and then turn it back on. If the E4 code persists, it is advisable to seek assistance from a qualified technician. Dometic SMXir Pdf User Manuals. View online or download Dometic SMXir Description And Installation Manual. Sign In Upload. Manuals; Brands; Dometic Manuals; Industrial Equipment; ... Factory Memory Reset. 21. Auxiliary (Electric) Heat. 21. Fahrenheit/Celsius Display. 21. Setpoint Differential. 21. Fan Response Differential. 21. Continuous or ... To reset your Dometic Single Zone thermostat, you can follow these steps: 1. Turn off the thermostat: Locate the thermostat on your Dometic unit and ensure it is powered off. You can do this by pressing the "On/Off" button or adjusting the temperature settings to the lowest setting. 2. When this occurs wash the filter with soap and warm water. Let dry and reinstall. To reset the fan run time and clear the filter icon, hold the INSIDE TEMP and °F / °C buttons for 3 seconds. This will clear the fan run time for the current zone selected. B. Dometic CCC 2 Thermostat D O NOT spray water directly on the CCC 2 thermostat.Dometic CCCII Thermostat, White. Multi-Zone CCC Thermostat in White, Control board not included. $209.99. Low stock.Description. The main purpose of the Dometic Comfort Control Center 2 Duo Therm thermostat is to regulate the temperature in the room where it is installed. To start operating the roof top AC/HP systems troubleshooting thermostat and select the correct operating modes, read diagnostic service manual, which contains 63 pages in English.

2. Simultaneously Depress and hold the MODE and ZONE push-buttons while turning the ON/OFF switch to "ON". FF should appear in the LCD display until the MODE and ZONE push-buttons are released. 3. When a dip switch is turned on or off after initial configuration, a system reset will need to be done before the Comfort Control CenterTM will ...Mar 3, 2021 · If the gap is larger then you should use the reset system option to try to get the thermostat to operate correctly. If the problem doesn’t get fixed contact your local repairman. Or you can go to the owner’s manual and see if the problem is covered within its pages. Reset My Dometic 5 Button Thermostat? - Turn the thermostat switch off. - Press both the mode and zone buttons at the same time then turn the switch back to ON. - The letters FF should appear in the digital display and will remain there until you release both the zone and mode buttons. - Release the buttons when they do.Resetting a Honeywell thermostat is simple and only takes a minute or two to complete. Either refer to your Honeywell control manual to reset it or follow the guide below that outl...How can you reset a Dometic thermostat? For a single-zone Dometic RV thermostat reset, simultaneously press and hold the ‘On/Off Mode’ and temperature up button (‘+’) for approximately 3 seconds until the’mode’ button displays a green light. Step 1: Press and hold the mode and temperature-up buttons together.When resetting doesn’t work. Resetting the 3-button thermostat is one way to cure many minor ills. But sometimes the problems go deeper than that and resetting just won’t work. That is the time you have to pull the manual out to see if they cover the problem in the troubleshooting section. The first place to look will be the thermostat itself.Accessing the Schedule Menu: Navigate to the scheduling or programming menu on the thermostat’s display. This may involve pressing the menu button and selecting the scheduling option. Setting Daily Programs: Define temperature profiles for different times of the day, such as morning, daytime, evening, and night.It is necessary to configure the CT thermostat model 3316410 for cool, furnace, heat strip, heat pump before starting its work. This will further ensure continuous and correct operation of the Dometic Capacitive Touch. Study the operating instructions, which consists of 11 pages in English. Operating instructions for Dometic Capacitive Touch CT ... This manual is also suitable for: View and Download Dometic 3314080.000 BLACK operating instructions manual online. COMFORT CONTROL CENTER 2 PROGRAMMABLE THERMOSTAT. 3314080.000 BLACK thermostat pdf manual download. Also for: 3314080.015 white. The temperature of the thermostat can be changed from fahrenheit to celsius. Pressing the button again will return to normal mode. If you are using an older version of Windows, you will need to download and install the Windows 8.1 update. How do I reset my Dometic CFX? Reset to factory settings by using reset function on fridge.The Dometic Multi-Zone Comfort Control Center Thermostat can control your Dometic heating and cooling appliances. Read more. $209.99. In Stock Art nr: 9108698985. Features. Digital display - modern design and user-friendly. Zoned climate control. Low profile bluelight display. Specifications. General Electrical Additional Logistics.

Dometic CCCII Thermostat, White. Multi-Zone CCC Thermostat in White, Control board not included. $209.99. In Stock. Dometic CT Single Zone Thermostat. Cool Furnace, Heat Strip, White. $81.99. In Stock. Dometic CT Single Zone Control Kit and Thermostat, White.

Dec 31, 2021 ... Did your Dometic CFX cooler start freezing everything even when it's set to an appropriate temperature? Then your thermistor probably needs ...How to Reset a Dometic (CCC2) Thermostat. If you’ve been able to address your Dometic thermostat’s E7 code successfully, you may need to reset the thermostat before resuming normal use. There are a couple of different ways to do this. If the first isn’t successful, move on to the second.Mar 3, 2021 · If the gap is larger then you should use the reset system option to try to get the thermostat to operate correctly. If the problem doesn’t get fixed contact your local repairman. Or you can go to the owner’s manual and see if the problem is covered within its pages. Sep 24, 2023 · To reset a Dometic thermostat, you can try the following steps: 1. Turn off the thermostat using the ON/OFF button. 2. Remove the faceplate by gently pulling it away from the wall. 3. Locate the reset button on the back of the thermostat. 4. Press and hold the reset button for about 5 seconds. 5. Model number 3109228.001 is a duo therm comfort control thermostat by Dometic. It is a fully controllable device that can set up to four climatic features with a user-friendly design that includes a touch control panel for functioning. It has a large enough LCD that reads out numbers and degrees easily.Try resetting the thermostat. For a single zone Dometic RV thermostat, simply press the “+” button and the “On/Off Mode” button at the same time until you see two dashes. Then turn the thermostat on and back off. See your owner’s manual for factory reset instructions for other Dometic thermostat models. Temperature FluctuationsThings You Should Know. Locate and hold the reset button for about 5 seconds, or power your thermostat off for 30 seconds before turning it back on. Change dead batteries in your thermostat, or flip the orientation of the batteries for about 5 seconds while the thermostat is turned off. Flip your circuit breaker and leave it off for about 30 ...The reset system won’t work if you have a blown fuse, burned wiring, loose wiring, and other mechanical failures that impede the thermostat’s operation. Duo-Therm Comfort Control Reset When you are going to do this action, remember that all previous program memory will be erased and the control will reset to factory settings of 72 degrees F ...How Do I Reset My RV Thermostat? Photo by Camping World. ... This Dometic analog thermostat is a direct replacement for the Duo-Therm 3106995.032 Thermostat. It works to control your air conditioner and furnace but must be used in partnership with a 3107541.009 Control Relay.A common problem with this style of Dometic thermostat is that they are sometimes too hard to operate or the buttons are too sensitive. Sometimes they will e...

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Dometic thermostat won’t turn on. In case your thermostat won’t turn on here is how to solve the problem. Ensure the main power is switched on; switched on the thermostat; Reset the thermostat circuit breaker; If the thermostat comes on but does not provide temperature control, switch it to a lower temperature than its operating temperaThis video is a demonstration on how to operate your RV’s Dometic Single Zone LCD Thermostat. It’s easy once you know how it works and this video will expla...If you own an RV or a camper, you know how important it is to have a durable and functional awning. The awning provides shade and protection from the elements, allowing you to enjo...This was a discussion about troubleshooting and resetting the Dometic duo therm thermostat in an RV with easy steps. We discussed its easy fixes for replacement as well as for improving it. FAQ How to fix and reset Dometic Duo Therm Thermostat? There is a procedure through which the Dometic duo therm thermostat can be fixed in some cases.Dometic AC. Thermostat set to cool to 70 degrees then thermostat resets itself to 32 degrees. Found a you tube where it showed moving a single wire (white/yellow) that is not connected to anything. As I move this wire around thermostat goes back to to 70 and AC cools again. Unit may run for days then this happens again.Jan 27, 2023 · - The thermostat light will go out. - The MODE will read OFF. If it does not, repeat the above steps. - Test the system to check whether the reset has worked. If these instructions do not do it for you, check your manual. It should have the right instructions for your model of the Dometic thermostat. What To do If The Thermostat Does Not Turn On To turn the CT thermostat off, continue pressing the / Mode button until “Off” appears on the LCD. After 15 seconds of illumination, the LCD turns off. Dependent upon the systems installed, the Mode options you will scroll through are Off, Fan, Cool, Furnace, Heat Pump, and Heat Strip. Switching Between oF and oC.Are you tired of constantly adjusting the temperature in your home? Do you want a smarter, more energy-efficient way to control your heating and cooling systems? Look no further th... ….

That should bring your thermostat to factory defaults settings. Read also: Dometic thermostat E1 code. To reset a dometic thermostat with multi zones: Make sure the thermostat is in the OFF mode. 2. Simultaneously press and hold the MODE and ZONE buttons. 3. The LCD will display “IniT” and all available zones. 4. Release the …Reset My Dometic 5 Button Thermostat? - Turn the thermostat switch off. - Press both the mode and zone buttons at the same time then turn the switch back to ON. - The letters FF should appear in the digital display and will remain there until you release both the zone and mode buttons. - Release the buttons when they do.The E4 code for the Dometic 3313192 thermostat is as we reported earlier. However, there is a second E4 code and it is for the Dometic CCC 2 thermostat. It says the same thing except it adds that the dehumidifier feature will be locked out as well.Dometic Corporation 46 Zatonski, Unit 3 Brantford, ON N3T 5L8 CANADA Service Center Dealer Locations Please Visit www.eDometic.com CAPACITIVE TOUCH THERMOSTAT MODEL COOL/FURNACE 3316410.XXX COOL/FURNACE/HEAT STRIP COOL/FURNACE/HEAT PUMP REVISION A Form No. 3316464.000 12/15 (French 3316465.000_A) ©2015 Dometic Corporation LaGrange, IN 46761Dec 22, 2023 · How can you reset a Dometic thermostat? For a single-zone Dometic RV thermostat reset, simultaneously press and hold the ‘On/Off Mode’ and temperature up button (‘+’) for approximately 3 seconds until the’mode’ button displays a green light. Step 1: Press and hold the mode and temperature-up buttons together. Can't figure out why your AC & Furnace are running at the same time? Here you go....Got a problem? Comment down below. This video go made because one of my c...Nov 28, 2023 · Try resetting the thermostat. For a single zone Dometic RV thermostat, simply press the “+” button and the “On/Off Mode” button at the same time until you see two dashes. Then turn the thermostat on and back off. See your owner’s manual for factory reset instructions for other Dometic thermostat models. Temperature Fluctuations Dec 22, 2023 · How can you reset a Dometic thermostat? For a single-zone Dometic RV thermostat reset, simultaneously press and hold the ‘On/Off Mode’ and temperature up button (‘+’) for approximately 3 seconds until the’mode’ button displays a green light. Step 1: Press and hold the mode and temperature-up buttons together. Reset dometic thermostat, Model number 3109228.001 is a duo therm comfort control thermostat by Dometic. It is a fully controllable device that can set up to four climatic features with a user-friendly design that includes a touch control panel for functioning. It has a large enough LCD that reads out numbers and degrees easily., Any time a system reset occurs, the factory default settings are restored. See “Fac-tory Preset Settings” on page 3. In the unlikely event of CCC 2 system memory loss or dip switch setting change, the CCC 2 thermostat will require a system reset. Refer to page 11 for system reset procedure. About your new thermostat , Dometic SMXir Pdf User Manuals. View online or download Dometic SMXir Description And Installation Manual. Sign In Upload. Manuals; Brands; Dometic Manuals; Industrial Equipment; ... Factory Memory Reset. 21. Auxiliary (Electric) Heat. 21. Fahrenheit/Celsius Display. 21. Setpoint Differential. 21. Fan Response Differential. 21. Continuous or ..., In this video, we will look at the Dometic CT Single Zone RV Thermostat that comes in many RVs. It has several features that are fairly easy to understand an..., Things You Should Know. Locate and hold the reset button for about 5 seconds, or power your thermostat off for 30 seconds before turning it back on. Change dead batteries in your thermostat, or flip the orientation of the batteries for about 5 seconds while the thermostat is turned off. Flip your circuit breaker and leave it off for about 30 ..., Aug 22, 2023 · Discover how to reset your Dometic thermostat with our comprehensive step-by-step guide. From unresponsive controls to inaccurate readings, learn when and how to perform a soft or hard reset to restore optimal functionality. Troubleshoot common issues, test the reset, and gain post-reset tips for maintaining a comfortable home environment. Expert advice for mastering thermostat resets effectively. , Mar 3, 2021 · If the gap is larger then you should use the reset system option to try to get the thermostat to operate correctly. If the problem doesn’t get fixed contact your local repairman. Or you can go to the owner’s manual and see if the problem is covered within its pages. , Join Date: Sep 2010. Posts: 239. Help with new Dometic 10 button Thermostat. A few months ago, we replaced our old Dometic 13.5K AC/heat pump with a new 15K one. Since we still had a 13.5K one in the rear & the 5 button thermostat Dometic said we needed a control board on the 15K one to make it operate with the thermostat., Related Manuals for Dometic 3109228.001. ... Roof top unit used with 3105007.xxx or 3105935.xxx return air grille, electronic control kit, thermostat, optional indoor temperature sensor, air conditioner, ccc 2/lcd sz controls (17 pages) ... SYSTEM RESET a. Turn the ON/OFF switch to “OFF” position. b. Simultaneously depress and hold the MODE ..., Today I replaced the thermostat in our travel trailer. The A/C unit is a Dometic 13,500 BTU unit. Very simple to DIY. Unplug the camper, and swap the wire..., The E4 code has nothing to do with the Oasis unit, but with the heat pump/AC unit located on the rear roof of your coach. The "smart" thermostat is telling you that the Outdoor Temp sensor is open or bad (i.e. out of range). If you are electrically trained, this can be measure using a digital volt meter., How to Reset Your Dometic RV Air Conditioner. Performing a reset on your comfort control center system removes all previous program memory and resets the system to factory settings. The procedure may be necessary if the comfort control center is not operational, inadequate data, or no functions occur. ... Thermostat (Analog, Bimetal, …, That should bring your thermostat to factory defaults settings. Read also: Dometic thermostat E1 code. To reset a dometic thermostat with multi zones: Make sure the thermostat is in the OFF mode. 2. Simultaneously press and hold the MODE and ZONE buttons. 3. The LCD will display “IniT” and all available zones. 4. Release the MODE and ZONE ..., M.O.C. #4831. The CCC II is prone to brain-fade. The quickest way to see if that is the issue is to reset it. To do a system reset: • Make sure the CCC 2 thermostat is in the OFF mode. • Simultaneously press the MODE and ZONE buttons. The LCD will display “IniT” and all available zones. • Release the MODE and ZONE buttons., Read Also: 3 Prominent Reasons Why RV Furnace Runs with Thermostat Off. Troubleshooting Dometic RV Furnace ... Tips: Dometic RV furnace also has a reset switch located right back of the sail switch. This switch can occasionally be reset, and the furnace should return to its normal condition. Resetting requires turning it off, waiting 30 seconds ..., Jul 5, 2021 ... Can't figure out why your AC & Furnace are running at the same time? Here you go.... Got a problem? Comment down below. This video go made ..., This manual is also suitable for: View and Download Dometic 3314080.000 BLACK operating instructions manual online. COMFORT CONTROL CENTER 2 PROGRAMMABLE THERMOSTAT. 3314080.000 BLACK thermostat pdf manual download. Also for: 3314080.015 white., Sometimes just unplugging the RJ-11 cables and then plugging them back in again will solve this. Check them for moisture. This is a problem area for this thermostat system and I see this about once a day here. The cable looks like a phone cable. Small plastic clip holds it in., Accessing the Schedule Menu: Navigate to the scheduling or programming menu on the thermostat’s display. This may involve pressing the menu button and selecting the scheduling option. Setting Daily Programs: Define temperature profiles for different times of the day, such as morning, daytime, evening, and night., Minards Lesiure World guides you on How to Operate your RV's Dometic Digital Thermostat. The basics are explained for running Heat/Cool/and Fan Modes in your..., How Do I Reset The E4 Code On My Dometic Thermostat? To reset the E4 code on a Dometic thermostat, you can try turning off the thermostat by flipping the circuit breaker or disconnecting the power source. Leave it off for a few minutes and then turn it back on. If the E4 code persists, it is advisable to seek assistance from a qualified technician., Dometic. Thermostat Manuals. Dometic. Rating 5.0 (votes: 1), The Dometic CT Single Zone Thermostat Control Kit can control your Dometic heating or cooling appliances. Read more. Sold in our dealer network Art nr: 9108853315. Features. Bluetooth enabled. Low profile design. Large LCD display. Singlular control. Available in Black or White. Specifications. General Logistics. SKU number., Things You Should Know. Locate and hold the reset button for about 5 seconds, or power your thermostat off for 30 seconds before turning it back on. Change dead batteries in your thermostat, or flip the orientation of the batteries for about 5 seconds while the thermostat is turned off. Flip your circuit breaker and leave it off for about 30 ..., Digital Thermostat Guide. Dometic's digital thermostat (officially the "Single Zone LCD Thermostat") found in Flagstaff's T-Series campers is easy to use once you get the hang of its operation. Since most people just want to know how the fan setting works, we'll start there and then back-track through the rest of its operation. The "Fan" Setting., The Dometic Multi-Zone Comfort Control Center Thermostat can control your Dometic heating and cooling appliances. Read more. $209.99. In Stock Art nr: 9108698985. Features. Digital display - modern design and user-friendly. Zoned climate control. Low profile bluelight display. Specifications. General Electrical Additional Logistics., Related Manuals for Dometic 3109228.001. ... Roof top unit used with 3105007.xxx or 3105935.xxx return air grille, electronic control kit, thermostat, optional indoor temperature sensor, air conditioner, ccc 2/lcd sz controls (17 pages) ... SYSTEM RESET a. Turn the ON/OFF switch to “OFF” position. b. Simultaneously depress and hold the MODE ..., Make sure the CCC 2 thermostat is in the OFF condition. • Simultaneously press and hold the MODE and ZONE buttons. See page 3, Quick reference to control buttons. • The LCD will display “IniT” and all available zones. • Release the MODE and ZONE buttons. • Press the ON/OFF button to exit system set up., That should bring your thermostat to factory defaults settings. Read also: Dometic thermostat E1 code. To reset a dometic thermostat with multi zones: Make sure the thermostat is in the OFF mode. 2. Simultaneously press and hold the MODE and ZONE buttons. 3. The LCD will display “IniT” and all available zones. 4. Release the MODE and …, RESET. To RESET (Re-Boot) the Dometic DuoTherm 4 button thermostat: Turn the thermostat ON. Touch any button to turn the Back Lights ON. Press and hold in the UP and DOWN Buttons. Press and Release MODE. Release the UP and DOWN Buttons. Press and Release MODE Again. The Back Lights will go out to signal success., To reset a Dometic RV thermostat, follow these steps: 1) Ensure the thermostat is unresponsive or not working properly. 2) Check for dead batteries and replace if necessary. 3) If the thermostat is still unresponsive, it may need to be replaced. , 3. Reset Your Thermostat By This Method To Stop Troubleshooting. If you are experiencing any issues with your Dometic Duo Therm RV air conditioners, one of the first steps you should take is to reset the thermostat. This can help resolve configuration errors, allowing the unit to work properly again., Try resetting the thermostat. For a single zone Dometic RV thermostat, simply press the “+” button and the “On/Off Mode” button at the same time until you see two dashes. Then turn the thermostat on and back off. See your owner’s manual for factory reset instructions for other Dometic thermostat models. Temperature Fluctuations