E1 code on dometic thermostat

To turn OFF the CCC 2 thermostat press the ON/OFF button and release. Only the time of day will display when the CCC 2 thermostat is in the OFF condition. Clock Setting. Press the CLOCK button to initiate the clock setting sub-menu on the CCC 2 ther-mostat. When in this menu, the hour digits will flash first.

The E1 code is a hardware fault usually related to the LP valve or LP delivery system. Check the operation of your gas valve at the back of the fridge, be sure that your ground connections are clean and secure and check the LP pressure at the fridge. It should be 11" water gauge with 50% of the LP appliances operating.Hello, We’re down in the keys camping, and our 2018 30FB bunkhouse developed an E1 code for zone 1. I googled it, ... Dometic E1 code for zone to solved bbdo General Repair Forum 2 07-07-2020 11:27 AM Dometic CCC2 Issues - …The RM1350 cooling unit has a thermofuse located on the boiler. The function of the thermofuse is to shut down the control system in the event of a cooling unit problem. On certain units the fuse can be reset by pushing the but-ton in the center. The thermofuse is a non-replaceable component of the cooling unit.Jul 18, 2021 · Powered back up and still E1 code on zone 2. Did a reset of the thermostat and no longer showing a zone 2. Emailed dometic and have not heard back from them. I know there is an external temperature sensor in the bedroom. Is there a way to bypass the thermostat and temperature sensor to see if either one of these is the problem?My fan will not close down even after of furnace or AC do. What are one potential causes of this issue. Also my thermostat belongs at least 10 years old and is a Dometic single stage unit. Dometic CT Single Zone Thermostat - The Dometic CT Single Zone Thermostat ca control the Dometic heating either cooling appliances.Dometic thermostat code E1. Thread starter bdb2047; Start date May 5, 2012; B. bdb2047 Well-known member. May 5, 2012 #1 A/C and heat not working.Can just make out digital display on thermostat has E1 code.Have tried shuuting off all power no help. Display is allmost unreadable.Anyone have similar problem or ideas.Manual says …2017 forest River sandpiper select 32 qbbs it has a 50 amp service and ran the a/c for the first time on 30amp service and the a/c ran for about an hr and E1 code came up on the dometic thermostat and … read more3. The display is stuck- if this happens, the usual source for the problem is a mistake in the configuring process. When you see the display is stuck, you have to reset the thermostat. To do that, you just need to remove the power supply, wait a few minutes and then reconnect the power and re-configure the device.

Dometic AC wiring to older Dometic thermostat: dt2012: RV Systems & Appliances: 2: 09-08-2018 12:41 AM: Using non-Dometic T-Stat w/new Dometic 641916 a/c? oldexhaust: RV Systems & Appliances: 1: 05-16-2018 02:36 PM: Dometic DIY Toilet Repair, 300 series, Dometic 321: stillstandn: RV Systems & Appliances: 5: 06-14-2017 04:05 AMDometic thermostat showing E1 code Click Here to Login Register Registry FAQ Community Calendar Today's Posts Search Log in Thread Tools Display Modes 08-09-2015, 09:20 PM #1 cecasarez Member Join Date: Aug 2015 Location: Whiteface Texas ...On line it appears this means there is a communication problem between the thermostat and the control board. There is a 4 wire harness from the Relay Control box...red/white wire labeled +12V to T-stat (connected it to 12+ terminal on thermostat, black wire labeled -12V from supply and to T-stat (connected to -12V from trailer and 12- terminal ...The Dometic 3-button thermostat is a reliable and efficient way to control the climate in your home. However, there are common issues that can occur with the thermostat, including inaccurate readings, uneven temperatures throughout the house and lack of response when buttons are pressed. Here are some troubleshooting tips for fixing …the E 1 code is a lost of commutation between thermostat and Ac unit. possible bad thermostat or you can try this. You may try to unplug and replug the connectors on both ends of the cable and see if it clears up the problem. this will be the telephone cable.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.We got which E1 code last month on our 5-button Dometic (but all 1 AC) - delete, no good. Made sure the RJ11 was firmly chaired in back. Cut all AC/DC energy, including battery cutoff switch - after what diese a couple of times, worked for a couple hours, therefore E1 again.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

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.Join Date: Dec 2012. Posts: 7,653. To reprogram the tstat: Make sure the furnace is off. Press the “+” button and, while holding it, also press and hold the On/Off Mode button for three seconds. LCD will show “― ― “. Press the On/Off Mode button again to turn system off. This completes the initialization.In a hot-water system, zone heat refers to heating your home in sections. Each section has its own thermostat, so throughout your home, you regulate the heat in each zone according...Sep 4, 2023 · To start pairing with the selected CT thermostat, press Pair With Selected Thermostat. Press the / Mode button on the CT thermostat until OFF mode is selected. A 2-digit PIN displays. shows a 2-digit pin of “21” as an example. Enter this 2-digit code twice in the app and press Enter. FIG. 9 shows “2121”.E1 code is lost communication between the t-stat and the a/c unit. most times it is the cable that goes from the t-stat and a/c unit, if that is all good, replace the thermostat. I hope this helps you. Wayne

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2017 forest River sandpiper select 32 qbbs it has a 50 amp service and ran the a/c for the first time on 30amp service and the a/c ran for about an hr and E1 code came up on the dometic thermostat and … read moreMontana Owners Club - Keystone Montana 5th Wheel Forum > MOC Technical Forums > Montana Problems, Problem Solving & Technical Help: Dometic thermostat E1 codeThis typically means that the thermostat failed to communicate with the thermostat. This could be due to a blown fuse in your thermostat, a tripped breaker or a faulty capacitor. If you have recently replaced your thermostat and are still experiencing this problem, then it is probably not the compressor or fan motor.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 ...My dometic CCC2 thermostat shows E1. I tried resetting multiple times. I disconnected the 12 volt and 115v from the system for at least 30 min. ... The E-1 code is a communication fault between the thermostat and circuit board inside the AC unit. IF you disconnected all the power then I would start with replacing the thermostat, you do want to ...

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.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 …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. Thermostat is set for 2 zones #1&2. Now shows zones 1&4. I have turned off and on the power to both AC units hoping that might reset them. No luck.Single Zone CT Thermostat only - Black. The Dometic CT Single Zone Thermostat can control your Dometic heating or cooling appliances. Replaced by 9600023358. Sold in our dealer network Art nr: 9108853325.The RM1350 cooling unit has a thermofuse located on the boiler. The function of the thermofuse is to shut down the control system in the event of a cooling unit problem. On certain units the fuse can be reset by pushing the but-ton in the center. The thermofuse is a non-replaceable component of the cooling unit.Dometic thermostat E1 code Montana Problems, Problem Solving & Technical Help Dometic thermostat E1 code - Montana Owners Club - Keystone Montana 5th Wheel Forum Journey with Confidence RV GPS App RV Trip Planner RV LIFE Campground Reviews RV Maintenance Take a Speed Test Free 7 Day Trial ×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 zone 1 and a solid zone 4. I don't have 4 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.We got which E1 code last month on our 5-button Dometic (but all 1 AC) - delete, no good. Made sure the RJ11 was firmly chaired in back. Cut all AC/DC energy, including battery cutoff switch - after what diese a couple of times, worked for a couple hours, therefore E1 again.

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 …

Among these, the Dometic thermostat has established itself as a key player. In the arena of climate control, the spotlight has often been on devices that have ...7. To Fix The E1 Code On Duo Therm Thermostat. The E1 code on a Dometic RV air conditioner indicates poor communication between the power module boards and the CCC 2 thermostat. This lack of communication is displayed on the thermostat’s display screen. An additional zone may lose contact and blink right next to the original code, indicating ...How To Fix E1 Code On a Dometic Thermostat. If your tests of the RJ11 cables did not solve your problem or even found it, then you need to move on. You should swap out the front and rear control boards. The swap means removing connections and putting them back into their correct spots on the other control board.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.7/16/10 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.the E 1 code is a lost of commutation between thermostat and Ac unit. possible bad thermostat or you can try this. You may try to unplug and replug the connectors on both ends of the cable and see if it clears up the problem. this will be the telephone cable.Amazon held an event this morning, and wow-oh-wow did they announce a lot. Smart thermostats! Flying security cameras! Robot companions! Didn’t tune in or have time to catch it all...Jan 29, 2016 · Dometic A/C Thermostat Replacement Problems: tredavon2100: RV Systems & Appliances: 5: 10-28-2015 11:53 PM: R Pod / Dometic - Bypass AC and run thermostat directly to furnace? Bradley1: RV Systems & Appliances: 6: 04-02-2015 04:03 PM: Replacing Dometic 5-button Comfort Control Center Thermostat: Vanwill: Monaco Owner's Forum: 18: 03-09-2015 07: ...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 …Access the Thermostat’s Menu: Depending on the model of your Dometic thermostat, you may need to access its menu or settings. This is typically done by pressing and holding a specific button or a combination of buttons. Initiate the Reset: Look for a “Reset” or “Factory Reset” option in the thermostat menu.

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Dometic 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.RV Mechanic: Robert. So an E-1 is a communication fault, it means the thermostat is not communicating with the circuit board inside the AC unit. What you can try is take away all the power to the circuit, this means you would have to unplug from power and disconnect the batteries for 10 mins and then hook everything back up.I'm getting a flashing e3 code on the thermostat for unit 1, is that a thermostat issue or an ac issue? If so, can you tell what e3 code means? When unit 2 quite working, the thermostat showed an e7 c … read moreDiscover 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.Normally on the Dometic AC controller we have options for COOL, AUTO, HP, FAN and OFF on all 3 zones of our 2015 Dutchstar, with additional FURN options on zones 1 and 3 for furnace use in cold weather. This season, the FURN no longer shows up on zone 1 as an option. Thankfully, FURN still shows up for zone 3 (rear of coach) and works great!When “E1” appears on a CCC2 display (as shown below) for one or more Zones, follow these steps ... NOTE: “System Reset Procedure” from Dometic Comfort Control Center 2 Thermostat Operating Instructions (Form #3312366.010, Revision 7/10). • Release ZONE and MODE. • Press OFF . Zone 1 2 °F AM LO Zone 1 2 °F AM LO 2. o -nomenc .Dometic thermostat showing E1 code. We have a 2016 Voltage 3805, which we took to South Dakota for a week. The AC worked great the entire time we were there, but when ...Inside temperature on Dometic Comfort Control Center 2 thermostat reads 0. AC unit will not come on ... We have a domestic comfort control center 2 thermostat. We just received an E1 code. I got the manual out and tried a system reset, however, the only zone it's showng is 2.Join Date: Dec 2012. Posts: 7,653. To reprogram the tstat: Make sure the furnace is off. Press the “+” button and, while holding it, also press and hold the On/Off Mode button for three seconds. LCD will show “― ― “. Press the On/Off Mode button again to turn system off. This completes the initialization.7. To Fix The E1 Code On Duo Therm Thermostat. The E1 code on a Dometic RV air conditioner indicates poor communication between the power module boards and the CCC 2 thermostat. This lack of communication is displayed on the thermostat's display screen. An additional zone may lose contact and blink right next to the original code, indicating ...Just purchased a prime time crusader fifth wheel with 2 dometic ac units controlled by a dometic confort control 2 thermostat. I noticed as soon as i plug in the camper to power the zone 1 ac unit was …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 ….

The rear AC (zone 2) was installed new this winter. Recently an E1 code popped up on zone 2. I tried resetting thermostat with no luck. Zone 2 disappeared. Took to Transwest who installed rear unit and they got it going again by resetting thermostat and also checked all communication between thermostat and rear unit.E1 code is an sign of poor communicating between the power module boards press the CCC 2 thermostat. It contains the zone that has encountered the loss of transmission. Aforementioned details on the lack of communicating are …Dometic AC in RV is flashing E1 instead of turning on. How would do that? 2018 Heartland Torque T31. I would like to - Answered by a verified RV Mechanic. We use cookies to give you the best possible experience on our website. ... My travel trailer thermostat has an E1 code and the it is.May 2, 2023 · Turn off the power to your RV or camper’s HVAC system. Remove the thermostat’s cover to access the reset button. Press and hold the reset button for 10-15 seconds. You may need to press and hold the RV thermostat’s zone and mode buttons simultaneously. Release the button and wait for the thermostat to reboot.Dometic thermostat flashing E1-E6 codes. Air not coming on. Unable to adjust fan setting. Air is working intermittent. - Answered by a verified RV MechanicI have 2 rv air conditioners. the front air is not working. My electronic thermostat only shows the E1 code when I go to zone 2. I have new thermostat and new circuit board controls in ac. It is a dom … read moreCar thermostats fail when the valve of the thermostat fails to open, fails to close or gets stuck in a partially-open position. As the thermostat controls the flow of coolant to th...Join Date: Dec 2012. Posts: 7,653. To reprogram the tstat: Make sure the furnace is off. Press the "+" button and, while holding it, also press and hold the On/Off Mode button for three seconds. LCD will show "― ― ". Press the On/Off Mode button again to turn system off. This completes the initialization.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 E1 code on dometic thermostat, E1 code is an sign of poor communicating between the power module boards press the CCC 2 thermostat. It contains the zone that has encountered the loss of transmission. Aforementioned details on the lack of communicating are …, Jan 29, 2016 · Dometic A/C Thermostat Replacement Problems: tredavon2100: RV Systems & Appliances: 5: 10-28-2015 11:53 PM: R Pod / Dometic - Bypass AC and run thermostat directly to furnace? Bradley1: RV Systems & Appliances: 6: 04-02-2015 04:03 PM: Replacing Dometic 5-button Comfort Control Center Thermostat: Vanwill: Monaco Owner's Forum: 18: 03-09-2015 07: ..., "NORCOLD & DOMETIC RECALLS" & Service Manuals Norcold & Dometic "007" RV Systems & Appliances: 89: 07-18-2019 04:41 PM: Dometic Toilet Water Use and What's Behind the Pegboard: Dutch Star Don: Newmar Owner's Forum: 31: 04-23-2014 03:41 PM: Dometic A&E door awning: adonh: Class A Motorhome Discussions: 2: 07-16-2013 07:23 AM: Dometic Brisk II ..., Here are the best smart thermostats, to help you control heat and air conditioning with your smartphone — and to help save money. By clicking "TRY IT", I agree to receive newslette..., Learn the color codes of a typical heat pump thermostat Wiring in your house. Always OFF the mains before attempting to change your own thermostat. Expert Advice On Improving Your ..., Summary of Contents for Dometic RM1350. Page 1 2320 Industrial Parkway Elkhart, IN 46516 Dometic Corporation Dometic Corporation 46 Zatonski, Unit 3 2320 Industrial Pkwy. Brantford, ON N3T 5L8 Elkhart, IN 46516 For Service Center Assistance CANADA Phone: 574-294-2511 Call: 800-544-4881 Phone: 519-720-9578 825127003 MO-M 0727 ©2006-2007 Dometic ..., Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts., Dometic thermostat E1 code Montana Problems, Problem Solving & Technical Help Dometic thermostat E1 code - Montana Owners Club - Keystone Montana 5th Wheel Forum Journey with Confidence RV GPS App RV Trip Planner RV LIFE Campground Reviews RV Maintenance Take a Speed Test Free 7 Day Trial ×, Dometic 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., 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 ..., E1 Code on Dometic Thermostat Nothing is more annoying than coming face to face with an issue in your RV, especially if it is related to the thermostat. Once this component … READ MORE + Coleman RV Thermostat Wiring Color Code A thermostat in an ..., E1 fault code on a RV Dometic Digital Comfort Control even after rebooting. E1 and I have tried to reset and now it does - Answered by a verified RV Mechanic. ... Now I have an E1 code on my thermostat and it does not recognize zone 2 at all, only zone 1. Also, ..., 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., You’d need the following tools to build a perfect kayak rack for an RV: ¾” PVC tubing, fittings, and pipes. 2”x12” boards. ¾” EMT steel pipe. 6’ long 1” steel angle iron. 6’ long ¾” PVC pipe. Spring pin and foam pipe. Hand drill, bolts, screwdriver, and measuring tools. 6’ long 2x6” wooden board., Dometic Thermostat E1 Brand new RV and the Thermostat and ac worked fine this past week in the driveway hooked to shore power and on generator. Drove 330 miles today and set up camp with shore power and getting E1 code at Stat., 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, My camper Dometic thermostat is flashing an E1 fault code for loss of communication. I have swapped the module board - Answered by a verified HVAC Technician. By chatting and providing personal info, ... My electronic thermostat only shows the E1 code when I go to zone 2. I have new thermostat and new circuit board controls in ac., Thermostat may not be set properly, thus not signaling compressor to start. Turn counter-clockwise for warmer and clockwise for cooler Wiring terminal to thermostat or selector switch may be disconnected. Check wiring schematic before reconnecting loose ..., Dometic Corporation 1120 North Main Street Elkhart, IN 46514 CANADA Dometic Corporation 46 Zatonski, Unit 3 Brantford, ON N3T 5L8 CANADA Service Center & Dealer Locations Please Visit: www.eDometic.com REVISION A Form No. 3316462.000 08/16 (French 3316463.000_A) ©2016 Dometic Corporation LaGrange, IN 46761 Capacitive Touch Thermostat Quick ..., If your Dometic thermostat is displaying an E1 code, it indicates a communication error between the thermostat and the control board. Troubleshooting the E1 code will help …, button. The LCD will be activated. 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., 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 ..., Thermostats are in every household, but have you ever wondered how they work? Learn about thermostats and take a look inside a home thermostat. Advertisement If you have specific h..., My Dometic A/C shows E1 on ac and fan settings. Furnace setting works fine. I took the thermostat off, unplugged the cable, waited for 2 minutes and reinstalled., [updated 1/24/2018: Legal disclaimer added]In this Tech Tips video, Jeff explains the E1 and E2 error codes, possible causes and some ways to resolve them., Aug 23, 2022 · I do not have access to a Coleman Mach controller so I was able to improvise using 2 automotive 12V relays and a non-programmable Honeywell T-Stat (RTH111B). Total cost of approximately $50CAD. New Dometic T-Stat locally: $120CAD. “Used” Dometic Analog control kit locally: $250CAD., E1 Code on Dometic Thermostat Coleman RV Thermostat Wiring Color Code Jayco Pop-Up Camper Lift System Diagram We will be happy to hear your thoughts Leave a reply Cancel reply Save my name, email, …, When I rewired my existing Dometic thermostat to operate just the furnace, it gives me an E1 code, which according to Dometic means a "loss of communications between the thermostat and the AC unit". Can I somehow rewire the duo thermostat to just operate the furnace without the error? The thermostat model is a Dometic CT Single Zone Thermostat., Jul 10, 2022 ... There are two issues I still see with the Dometic single zone thermostat. On the fan setting, if you have it set to high or low and you're ..., Web discover the dometic thermostat wiring color code and ensure a successful installation! Web The White (W) Is For Heat. A/c unit.therm is a mod: Web guide to thermostat wiring color code making install simple and fast diagrams instructions old softstartrv wire codes for 3 8 thermostats by my has three., Thermostat may not be set properly, thus not signaling compressor to start. Turn counter-clockwise for warmer and clockwise for cooler Wiring terminal to thermostat or selector switch may be disconnected. Check wiring schematic before reconnecting loose ..., Turn off the power to your RV or camper’s HVAC system. Remove the thermostat’s cover to access the reset button. Press and hold the reset button for 10-15 seconds. You may need to press and hold the RV thermostat’s zone and mode buttons simultaneously. Release the button and wait for the thermostat to reboot., The E1 fault is a communication fault, it means the thermostat is not talking with the circuit board inside the AC unit, could be a board issue, thermostat or wiring problem. When you take away power to the system you need to disconnect the batteries and unplug from power, turning the thermostat off will nto do anything because the circuit ...