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What's the temp in the RV and what are you trying to run? AC or furnace? If it's too far out of range, you may have to "help it". ie, in the hot summer after a long tow, a couple times I've had to open windows and get fans moving air first if it's too hot in the camperDometic Thermostat shows E1 error, so heat pump / air conditioner does not work. It is a communication issue between the CCC and the AC unit. It works intermittently for a few minutes then E1 comes back.e1 code on dometic thermostat. Most camping enthusiasts purchase large vehicles like motorhomes and RVs because of all the features these vehicles come with. Most of these are designed so that campers can have a fun time on their trips. Although, you should note that most of the features on a motorhome depend on what brand you decide to get it ...We think our Dometic CC2 10 button(###) ###-####thermostat is not working properly and most likely needs replaced. We have reset it. Zone 1 comes on but we do not hear the compressor.Ac unit have quit working. Dometic H541815 & H541816. Thermostat Dometic CCC2. Both units were running then started short cycling on and off then quit completely. Thermostat then showed an E1 code. Th … read moreI have a Newmar travel trailer I purchased. The A/C unit is missing, but I am sure the original was a 59016.521 Dometic ducted, serial number 51718987. The thermostat is a Dometic(###) ###-####004 whi … read more7/16/10 3312026 3312024 CCC 2 Thermostat User's Guide. 8. Press and hold the OUTSIDE TEMP. button and the LCD will display the cur-rent outside temperature recorded at the outdoor temperature sensor in place of the temperature set-point. The LCD will also display "OUT" to indicate the outside temperature is being displayed.We have the dometic dual zone thermostat. When we plugged in at out site we got a E1 code on the thermostat. We hit the mode and zone buttons simultaneously to reset. The code is gone but now it lists zones 2 and 4 instead of 1 and 2. Nothing seems to beWhat circuit board did you replace? T-stat board? Our units are temperamental in that they will cycle on the fan for 10 secs and shutoff. Then after several cycle they will stay on and cool.What circuit board did you replace? T-stat board? Our units are temperamental in that they will cycle on the fan for 10 secs and shutoff. Then after several cycle they will stay on and cool.To do so, using a multimeter will be the best solution. If there is no continuity, the thermostat may need to be replaced. The average cost of a thermostat replacement is between $100 and $350. Parts will cost on average $60-$200, while services will cost $40-$150. Read Also: What Does E1 Code On Dometic Thermostat Mean: How to Fix It?RE: How to fix Dometic Comfort Control thermostat problems I have a 2013 Voltage with 3 AC units on it. It has a dometic black thermostat that controls all 3. I have read all the info everybody' has written ,but I'm am still lost in how to fix my system. Here's what happen. System was working fine last year go to use it last week. E1 code comes up.Pros: Cons: 1. Fixes Minor Glitches: Resetting the thermostat can resolve minor technical issues or glitches, restoring proper functionality. 1. Loss of Settings: Resetting may erase custom temperature settings or programming, requiring reconfiguration. 2. Resolves Unresponsive Units: If the thermostat becomes unresponsive, a reset can revive it, ensuring it responds to commands.We got the E1 code last month on our 5-button Dometic (but only 1 AC) - reset, no good. Made sure the RJ11 was firmly seated in back. Cut all AC/DC power, including battery cutoff switch - after doing this a couple of times, worked for a couple hours, then E1 again. At one point the thermostat insisted it had no furnace! Then it decided it had ...Trouble shooting the InCommand Dometic E1 Communication error. If you have a Dometic E1 error. Diagnose the InCommand can bus communication between zones.Junior Member. Join Date: Feb 2017. Location: In. Posts: 8. Ac E1 code need help. I have a 2017 cedar creek ck2 and I had an E1 code on #2 air conditioner. I have a Dometic thermostat and have done the re-set numerous times but hasn't solved the problem. Have seen several posts about RJ11 couplings and cable.A/C cut off and Dometic thermostat reads E1 for zones 1 & 2. We reset the breaker for both zones and followed the reset instructions on the thermostat. The final step is to turn the thermostat back on. After doing that, …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.1 Common Dometic RV Thermostat Problems. 1.1 The Thermostat Display is Blank. 1.2 The Thermostat Won’t Turn On. 1.3 Temperature Fluctuations. 1.4 The Fan Runs Continuously. 1.5 Inaccurate Temperature Reading. 1.6 Thermostat Keeps Clicking On and Off. 1.7 The Display is Showing Celsius Temperatures.TJ85AC, TJ85AC-SS Dometic TJ18 CR-1050 Dometic TJ22 CR-1065 Dometic TJ42 C. Dometic brisk air conditioner problems, our midwest cleaning the coil low make yourself without air exhaust a good way to you can add a problem coming code. sharp air conditioner e1 errorFeb 15, 2023 · Dometic thermostat E1 With Dometic CCC2 E1 code to loss of control of zone 1. Hello, We're d Ac unit have quit working. Dometic H541815 & H541816. Thermostat Dometic CCC2. Both units were running then started short cycling on and off then quit completely. Thermostat then showed an E1 code. Th … read more The Dometic Proheat X30 Smart Temperature c I have mini split Mr.Cool and I get E1 code on the display, so I checked voltage on L1, to ground 120 volts, L2 to ground 120, also at the number 1 for the indoor unit 120v, number 2 en ground the same 120 volts.Dometic thermostat E1 code Technical Corner Dometic thermostat E1 code - Keystone RV Forums Journey with Confidence RV GPS App RV Trip Planner RV LIFE Campground Reviews RV Maintenance Take a Speed Test Free 7 Day Trial × If you've run through the list of generic procedure

The E1 code is a communication fault, it means the thermostat is not talking to the circuit board inside the AC unit. What you can try to do is shut the breaker off to the AC unit and then disconnect the batteries for 15 mins, you need to take away ALL the DC and AC power to the circuit.2014 Dutchmen Voltage 3990. 3 ac's and my Dometic CCC2 is no longer showing zone 1 anymore. The issue arose from having changed my fan motor out back in August, son - 3542780 ... son comes up top to help and accidentally hits the dip switches and then threw an E1 code. We were actually camping and at a family reunion at the time and the front ...It's a 5th wheel and maybe 500 miles. the code is E1, 2014 Sandibel, I turned it - Answered by a verified RV Mechanic. ... my dometic thermostat is reading E1. it was working fine and then I heard the a/c unit switch on an off several times and when I got up to look there was an E1 code ...Table of Contents hide. 1) What Does E7 Mean on a Dometic Thermostat? 2) How to Fix the Dometic Thermostat E7 Code. 2.1) Check Fuses. 2.2) Check Both AC Units. 2.3) Check the Breaker on the Power Pedestal. 2.4) Check Your Power Cord's Plug. 2.5) Check Your Transfer Switch. 3) How to Reset a Dometic (CCC2) Thermostat.When the tech tried to turn on the furnace, he got E1 code. He tested everything and concluded that the control board in the AC was bad and a new one needed. He couldnt start the furn from the themo control. But he could manually. The total part and labor is around 300. Anyone has the same issue? And did it work with a new control board? Thanks!

To turn Off the Single Zone LCD thermostat press the On/Off Mode button and toggle through the modes until the On/Off green LED is on. The LCD will go out and the green LED will remain on for approximately 15 seconds, then go out. Programming & Operations. 6. Inside Temperature.Dometic Thermostat not resetting. There was and E1 code. I followed the directions to reset but it is not recognizing the zones properly. I should have zone 1 and zone 2 but it's displaying a blinking … read more…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. We have a Dometic thermostat giving us an E1 code. We kn. Possible cause: Dometic thermostat E1 code Montana Problems, Problem Solving & Technical Help Dometi.