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How do you clear the codes on a Dometic thermostat?

To do a system reset: Simultaneously press the MODE and ZONE 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.

How do I reset my Dometic air conditioner?

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.

How do I fix my E4 code on Dometic AC?

To reset:

  1. With the HVAC unit off.
  2. Touch mode and up at the same time, two dashes will appear.
  3. Touch mode again, reset is complete.

What does E4 mean on my Dometic thermostat?

freeze sensor
“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 wires that plug into the control module box at the front of the air conditioner unit. If this 2-pin connector is loose you can get an “E4” error code.

How do I reset my Dometic 5 button thermostat?

For 5 button reset:

  1. Turn the ON/OFF switch to OFF position.
  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.

What is E7 code on Dometic thermostat?

I’ve learnd E7 means “loss of 120V”, but here is a new piece of mystery. We get E7 code. We check breaker. We unplug the shore power and re-plug it.

How do I reset my RV AC?

Start with the obvious, inside the RV: Are the AC circuit breakers tripped? If so, reset them by fully turning them off and then putting them back on. Remove the breaker and using your volt meter, check the power supply to the breaker. If you have power, reinsert the breaker and reset it.

Do all AC units have a reset button?

Find the button. Most air conditioning units are equipped with a reset button. These buttons tend to be red and quite small. If you’re having a tough time finding it, consult your owner’s manual.

How do I fix E4 error on my air conditioner?

What Should You Do When Your AC Displays An Error Code? When the unit goes into defrost mode, there is actually nothing to do. Your system will run under protection until it can securely run as an air conditioner.

What is E4 error code?

What Is An E4 Error Code? Technically, the E4 error is not an error at all. It actually tells you, your unit is going into defrost mode. That does, however, mean that something has caused your unit to get too cold. A broken temperature sensor can also cause your AC to enter defrost mode.

How do I know if my Dometic thermostat is bad?

4 Ways to Tell if an RV Thermostat is Bad

  1. Problem 1- The Thermostat is Unresponsive or has No Power.
  2. Problem 2 – The A/C or Heater Won’t Switch On.
  3. Problem 3 – The Heater or A/C Runs Continuously and Won’t Switch Off.
  4. Problem 4 – The Setting Doesn’t Match the Temperature Inside the RV.

How do I reset my RV thermostat?

How do you reset an RV comfort ZC thermostat?

  1. Press 00 on your RV comfort ZC thermostat;
  2. Switch the thermostat in Off position, remove the fuse for five minutes then plug it in again;
  3. If the above solutions don’t work, disconnect all power from the RV then connect 12V power to fuse.