How do I fix E7 error on Dometic air conditioner?

What is the E7 code on a Dometic thermostat? When you see this code, the system is telling you that all 120 AC power has been lost and the system cannot operate as it should. That loss of power is for all power modules connected to the system. Checking for a blown breaker is one way to fix this issue.

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.

How to reset the fan run time on a Dometic thermostat?

To reset the fan run time and clear the filter icon, hold the INSIDE and OUTSIDE but- tons for three seconds. This will clear the fan run time for the current zone selected. Dometic CCC 2 thermostat: Clean the CCC 2 thermostat with a moist soft cloth. DO NOT spray water directly on the CCC 2 thermostat.

What should I use to clean my Dometic CCC 2 thermostat?

Dometic CCC 2 thermostat: Clean the CCC 2 thermostat with a moist soft cloth. DO NOT spray water directly on the CCC 2 thermostat. DO NOT use solvents for cleaning. In the unlikely event the unit fails to operate or operates improperly, check the following before calling your service center.

What is the E7 code on a Dometic heat pump?

E7 code on Dometic 2nd AC unit. First checked the circuit breaker. It works, switching AC on and off as it should. E7 code on Dometic 2nd AC unit. First checked the circuit… Thermostat shows error code E7. No-this is for aCCC2 havc Vocational, Technical or Tr… I had AC/Heat Pump #651816C751C0 Installed two years ago.

What causes an error code on a Dometic air conditioner?

Verify seawater temperature. Check thermostat setting and/or redirect supply air so that it is not directed into the return air stream. Switch unit into heat until the ice melts. A unit low on refrigerant charge will cause evaporator icing. Loss of communication between the CCC 2 thermostat and an individual system power module board.

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.

What happens when a Dometic air conditioner is locked out?

Open circuit or out-of-range indoor temperature sensor. All heat , cool, and dehumidify operations will be locked out. Manual fan operation will continue. Shorted Indoor Temperature Sensor. All heat, cool, and dehumidify operation will be locked out. Manual fan operation will continue.