Furrion thermostat · 1 model line
Furrion thermostat code E2: Evaporator temperature sensor out of order; system will shut down
Furrion documentation lists E2 as “Evaporator temperature sensor out of order; system will shut down”.
What code E2 means by model
| Model line | What the manufacturer says | Source |
|---|---|---|
| Furrion heat pump single-zone wall thermostat (FACW12ESPA / FACC12ESPA) | The Furrion thermostat manual lists E2 as evaporator temperature sensor out of order; system will shut down. | Furrion Heat Pump Single Zone Wall Thermostat Quick Start Guide |
What you can safely check
- Turn HVAC mode off if the unit is not responding.
- Record the thermostat model, control-box model, and whether the system shut down.
Stop and call a technician for
- Sensor, communication wiring, control box, rooftop HVAC, and low-voltage diagnostics should be performed by qualified service personnel.
Disconnect power before HVAC service. Do not open rooftop or electrical compartments unless qualified.
Write this down before you call
- thermostat model
- control-box label
- rooftop model
- displayed code
Other codes on Furrion rooftop air conditioners and thermostats
Full table: Furrion rooftop air conditioners and thermostats
- E1 Indoor temperature sensor out of order; system will shut down
- E2 Evaporator temperature sensor out of order; system will shut down
- E3 Loss of communication between the thermostat and control box; system will shut down
- E4 Condenser temperature sensor out of order; system will shut down
- E5 Outdoor temperature sensor out of order; system will shut down
- lo Insufficient low level of +12 V power supply; system will shut down
- E3 Loss of communication between the thermostat and air conditioner; thermostat remains oper…
- E6 Thermostat indoor temperature sensor out of order; system will shut down
- lo Insufficient low level of +12 V power supply; system will shut down
- E1 Control box indoor temperature sensor out of order; system will shut down
- E4 Outdoor coil sensor out of order; system will shut down
- E5 Outdoor ambient air temperature sensor out of order; system will shut down