Dometic rooftop air conditioner · 1 model line

Dometic rooftop air conditioner code EA: Current sensor fault

Dometic documentation lists EA as “Current sensor fault”.

What code EA means by model

Model lineWhat the manufacturer saysSource
Dometic FreshJet Series 4 / Series 7 (FJX)The Dometic FreshJet FJX operating manual lists EA as current sensor fault.Dometic FreshJet Series 4, FreshJet Series 7 Operating Manual

What you can safely check

  • Record EA, selected mode, setpoint, and whether the code appears during startup or steady running.
  • Stop FreshJet operation from normal controls if the code returns.
  • Note campsite power context and recent service history before calling for service.

Stop and call a technician for

  • Current sensor, internal electrical protection, IPM module, and rooftop compartment diagnosis should be handled by authorized Dometic service or qualified RV HVAC personnel.

Disconnect power before any FreshJet service. Refrigerant-circuit, sealed-system, sensor, fan, drive, electrical protection, roof seal, and internal component work is for authorized Dometic service or qualified RV HVAC personnel.

Write this down before you call

  • Full FreshJet model and serial number from the data label
  • Wall control or display code photo
  • Shore-power or campsite voltage context and active loads
  • Recent service history and prior recurring codes

Other codes on Dometic FreshJet Series 4 / Series 7 air conditioners

Full table: Dometic FreshJet Series 4 / Series 7 air conditioners

  • P0 Over temperature or over current on the IPM module
  • P1 Under voltage protection
  • P2 Unit AC over-current protection
  • P3 Overvoltage protection
  • P4 Discharge tube overheat protection
  • P5 Evaporator coil protection in cooling mode
  • P6 Condenser coil protection in cooling mode
  • P7 Evaporator coil protection in heating mode
  • P9 Compressor drive abnormal or compressor does not start
  • E0 Communication failure
  • E1 Room temperature sensor fault
  • E2 Evaporator coil temperature sensor fault
  • E3 Condenser coil temperature sensor fault
  • E7 Outdoor temperature sensor failure
  • E8 Discharge tube temperature sensor failure
  • E9 Compressor drive or IPM module fault
  • EE Outdoor EEPROM fault
  • EL LIN-BUS/CI-BUS communication failure

Related troubleshooting guides

Official sources