What It Means
- Thermostat Humid Sensor Problem
Lennox Equipment not specified
Lennox Error Code 703
Equipment not specified:
Causes & actions from Lennox
How it shows
- iComfort S30 alert: 703
Priority condition: Service Soon Thermostat Humid Sensor Problem. Sensor is damaged or data is corrupted possibly..
Applicable models & manual sources
- iComfort S30
Thermostat Humid Sensor Problem
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
