How do you clear the E4 code on a Dometic thermostat?

Today the Dometic thermostat started reporting code E4, which means outdoor air temperature sensor fault. If you only have an air conditioner (not a heat pump) you can reset the thermostat by disconnecting shore power, disconnecting the battery and waiting for 4 or 5 minutes, then reconnecting power.

What does E4 mean on a 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.

How to turn on the off mode on the Dometic thermostat?

Press the On/Off Mode button to go to the available modes. Press to advance to available mode. The green LED will indicate the mode selected either (Off, Fan, Cool, Furnace, Heat Pump or Heat Strip) To display the Inside Temperature your thermostat should be in Off Mode.

How to troubleshoot a Dometic thermostat error cone?

Dometic 3313192 Thermostat Troubleshooting. Error cone. Solution. E1. Loss of communication between the Single Zone LCD thermostat and the module board. LCD will cycle between E1 and the previous mode setting. System will shut down. E2. Open circuit or out of range Indoor Temperature Sensor.

What does the error code E1 mean on the Dometic thermostat?

Error Code: E1 Results from a loss of communication between the Single Zone LCD thermostat and its module board. LCD will cycle between E1 and the previous mode setting. The system eventually shuts down. E2 Open circuit or out of range Indoor Temperature Sensor.

How do you reset a CCC 2 thermostat?

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. Press the ON/OFF button to exit system set up.

How do I Reset my AC thermostat?

Here are the steps you need to take to reset your AC thermostat. The first step in resetting your AC thermostat is to turn it off at the AC unit. Find the shutoff on the air conditioning unit and make sure the thermostat is turned to the “off” position.

What does the reset button do on a thermostat?

If your thermostat is behaving erratically or something strange is in the display, hitting “Reset” buttons can often correct the problem. Try this first since it does not erase anything.

How does an AC thermostat work?

A thermostat is essentially an automatic switch. The thermostat senses the temperature and turns the air conditioner or heater on and off as required to maintain the desired temperature. There are two basic types of thermostats: electromechanical and electronic. They both do the same thing but they do it in different ways.

What is an AC thermostat?

AC thermostat is the device that controls the air conditioner units. It uses to turn the heater or AC unit ON and OFF. Hvac thermostat is a temperature controls. It controls the temperature of specific building.