Lennox Select Equipment
Lennox Error Code E124
E124 means different things on different Lennox equipment. Choose the equipment you are working on.
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always refer to your unit's service manual.
What does it mean? Select your equipment
- Split & Multi-Split Air conditioner (outdoor), Air handler (indoor), Heat pump (outdoor) The iComfort thermostat has lost communication with the outdoor unit for more than 3 minutes.The S30 thermostat has lost communication with the outdoor unit for more than 3 minutes.Active Subnet Controller Missing for > 180 seconds. This indicates a data connection has been lost between a communicating device and the… + 2 more readings->
- Ducted Heating Active communicating thermostat signal missing for more than 3 minutes.->
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
