The E4 error code indicates Open Circuit or an out of range outdoor temperature sensor. I'll bet there's a lot of water in the unit up top and causing a short/ Dometic RV Fridge Quick Tip! In this video I give a quick tip on adjusting the cooling temperature in a dometic RV fridge by
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The E4 error which means outside temperature sensor disconnected or out of range. The thermostat will still run the AC, furnace, and fan control with E4 It's not always this easy to find the solution, but here's something you could check. As always, if you don't feel comfortable with Dometic AC E4 Code. | Keystone Forums
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E4,E5,E6,F1,F2,F3 Thermocore. Today the Dometic thermostat started reporting code E4, which means outdoor air temperature sensor fault. We don't have an outdoor temperature
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This is a Dometic Single Zone thermostat. An E-4 error indicates an out-of-range outdoor temperature sensor and is applicable only to a heat FOLLOW US FOR TOP PRODUCT REVIEWS AND TOURS TO HELP YOU LIVE LIFE TO THE FULLEST.
E4" refers to the freeze sensor located in the air conditioner on the roof of your RV. The freeze sensor (mounted to the condenser fins) has 2 Setting Up your Dometic Thermostat
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E4 = Outside temperature sensor is out of range. If it's below 40 (F) outside and you are using the Heat Pump function, it's too cold for your heat pump to RV owner? Fridge not cooling? Check the thermistor! It regulates temp & can come loose during travel. Snap it back & control
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Air Conditioner AC E4 ERROR Code: What Does It Mean and How to Fix It. To reset your Dometic RV air conditioner, follow these steps: Turn off the air conditioner at the thermostat or control panel. Locate HOW TO WORK AN RV THERMOSTAT: Dometic heating and air-conditioning controller made easy!
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The E4 code is meaning that it cannot communicate with the ambient sensor. Is your unit also a heat pump? It is likely that after a storm, the What could cause a Dometic AC to show an E4 code after a storm? E4 Error Code in Air Conditioners: What It Means, Common Causes & Easy Fix!
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Learn more about repair & maintenance from RV Steve at: RV Basics - The Thermostat "Why won't my AC or Furnace work?" E4: Indicates either a lack of refrigerant, the compressor is not running, or the thermistor is out of calibration.
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I.E., the rooftop sensor is bad or the cable is failing/loose. The outdoor ambient sensor cable plugs into the rooftop control board. Normally, Dometic RV Fridge Quick Tip! 2020 Montana Dometic A/C Issue (Video 1 of 2)
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Diagnosing an E4 fault in an air conditioning system. This is my diagnosis of my daughter's LG model LP0910WNR portable A/C