Furrion thermostat · 2 model lines
Furrion thermostat code E6: Thermostat indoor temperature sensor out of order; system will shut down
Furrion documentation for 2 model lines lists E6 as “Thermostat indoor temperature sensor out of order; system will shut down”.
Check your model first. The same code can mean different things on different models. Find the model number on the appliance's data label, then use the matching row below.
What code E6 means by model
| Model line | What the manufacturer says | Source |
|---|---|---|
| Furrion heat pump single-zone wall thermostat (FACW12ESPA / FACC12ESPA) | The Furrion thermostat manual lists E6 as thermostat indoor temperature sensor out of order; system will shut down. | Furrion Heat Pump Single Zone Wall Thermostat Quick Start Guide |
| Furrion Chill Cube ducted single-zone thermostat (FACW13VSDSA / FACC13VSD) | The Furrion Chill Cube thermostat manual lists E6 as thermostat indoor temperature sensor out of order; system will shut down. | Furrion Chill Cube Ducted Single Zone Wall Thermostat OEM Installation Manual |
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.
- Turn HVAC mode off if the system shut down.
- Record the code and thermostat location conditions.
Stop and call a technician for
- Sensor, communication wiring, control box, rooftop HVAC, and low-voltage diagnostics should be performed by qualified service personnel.
- 120 VAC supply, loose wiring, air-conditioner communication, sensor, thermostat, control-box, and HVAC electrical diagnostics should be performed by qualified service personnel.
Disconnect power before HVAC service. Do not open rooftop, line-voltage, or control-box electrical compartments unless qualified.
Write this down before you call
- thermostat model
- control-box label
- rooftop model
- displayed code
- air conditioner model
- whether furnace-only mode still works
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…
- 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
- E2 Evaporator 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