How do I fix E4 error on my air conditioner?

How do I fix E4 error on my air conditioner?

What Should You Do When Your Portable Air Conditioner Displays An E4 Error Code?

1. Change your air filters.
2. Have a professional an EPA licensed AC technician check your refrigerant levels.
3. Clean evaporator and condenser coils annually.
4. Make sure you have an adequate power supply.

What does E4 mean on Dometic thermostat?

Today the Dometic thermostat started reporting code E4, which means outdoor air temperature sensor fault. Also know, what do you do when your RV thermostat says e4?

When do I get an error code on my Dometic thermostat?

When the system determines that one of the faults listed below has occurred an error code will be displayed in the LCD. Loss of communication between the CCC 2 thermostat and all system power module boards. System will shut down. Loss of communication between the CCC 2 thermostat and an individual system power module board.

Why is my Dometic air conditioner display flashing an E4?

my Dometic air conditioner control is flashing error E4 There is power to the unit as the fan still runs but does not produce cold air. It is model 59516.341G9 and product no. XXXXXXXXX … read more We have a dometic 459516 with a wall thermostat..AC. We have a dometic 459516 with a wall thermostat. We keep getting a E4 error.

What is the EI code on a Dometic air conditioner?

The LED will display error code EI and the zone number that lost communication. Any additional zones that loose communication will blink in addition to the current zone. Open circuit or out-of-range indoor temperature sensor. All heat , cool, and dehumidify operations will be locked out. Manual fan operation will continue.

Why is my Dometic thermostat reporting code E4?

Today the Dometic thermostat started reporting code E4, which means outdoor air temperature sensor fault. We don’t have an outdoor temperature sensor. The heat and A/C still work. Our thermostat was replaced for this issue at the Rally last year, and we have camped for 3 to 4 weeks since then.

my Dometic air conditioner control is flashing error E4 There is power to the unit as the fan still runs but does not produce cold air. It is model 59516.341G9 and product no. XXXXXXXXX … read more We have a dometic 459516 with a wall thermostat..AC. We have a dometic 459516 with a wall thermostat. We keep getting a E4 error.

What happens when the Dometic thermostat is locked out?

Shorted Indoor Temperature Sensor. All heat, cool, and dehumidify operation will be locked out. Manual fan operation will continue. Open circuit or out of range Outdoor Temperature Sensor (select models). Heat pump and dehumidification operation will be locked out. Air conditioner, furnace, heat strip and fan operation can continue to operate.

The LED will display error code EI and the zone number that lost communication. Any additional zones that loose communication will blink in addition to the current zone. Open circuit or out-of-range indoor temperature sensor. All heat , cool, and dehumidify operations will be locked out. Manual fan operation will continue.