Lennox Error Code =: Two bars – soft disable (AC)
Lennox error code = on a air conditioner means: Two bars - soft disable. It is also called Lennox diagnostic code =.
Homeowner? What Lennox code = means for you
Usually minor Your air conditioner is reporting: Two bars - soft disable. This code is usually informational or minor. The safe checks below often clear it; call us if it keeps showing up.
Safe things you can check yourself
- Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
- Check both breakers and the outdoor disconnect box beside the outdoor unit; all should be ON.
- Look at the air filter. If it is grey and clogged, replace it; a blocked filter causes many shutdowns.
- Keep about 2 feet around the outdoor unit clear of leaves, grass and debris.
- If you see ice on the pipes or the indoor coil, turn the system off and run only the fan for a few hours, then call a technician.
- Try one reset: turn the power off for 30 seconds, then back on. If the code comes back, stop resetting and call a technician.
Call (647) 657-2977Book a service call
Licensed technicians serving Vaughan, Toronto and the GTA.
What does Lennox error code = mean?
Two horizontal bars on the seven-segment display of the air handler, furnace or outdoor control. The thermostat found a device on the communication bus that it does not recognise and has parked it in soft disable until it is configured or removed. The thermostat itself shows no alert code for this; only the affected control shows the indicator. Often seen after a control is replaced.
Applies to: Lennox S30/S40 communicating systems: communicating furnaces, air handlers, outdoor units, Smart Zoning and EIM
Lennox models that use code =
EL16KC1-018-230AEL16KC1-024-230AEL16KC1-030-230AEL16KC1-036-230AEL16KC1-041-230AEL16KC1-042-230AEL16KC1-047-230AEL16KC1-048-230AEL16KC1-060-230A
Other Lennox AC codes
All Lennox Air Conditioner error codes →
Lennox code =: homeowner questions
What does Lennox code = mean?
Two bars - soft disable. Two horizontal bars on the seven-segment display of the air handler, furnace or outdoor control. The thermostat found a device on the communication bus that it does not recognise and has parked it in soft disable until it is configured or…
Is it safe to keep using my air conditioner with code =?
Usually yes. Code = is normally minor, but if it keeps coming back have it checked.
Can I reset Lennox code = myself?
You can try one reset (power off for 30 seconds, then on). If Lennox code = comes back, the cause is still there and a licensed technician should check it.
Who can fix Lennox code = near me?
Aurora Star Tech Inc. repairs Lennox air conditioners in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.
Homeowner help: AC Running But Not Cooling: What to Check
Troubleshooting guides
- Not cooling All brands · Air Conditioner
- Low cooling capacity - check airflow and charge - Lennox EL16KC1 Lennox · Air Conditioner
- Outdoor unit will not start - Lennox EL16KC1 Lennox · Air Conditioner
- RDS leak-detected mode and start-up test - Lennox EL16KC1 Lennox · Air Conditioner
- Simulate a refrigerant leak with the RDS Test button Lennox · Air Conditioner
- Two horizontal lines on display (soft disable) - Lennox communicating Lennox · Air Conditioner
Source: Lennox Residential Communicating Systems Alert Code Guide (V2) 100017 (3/2023), 3. Soft Disable, p.7; Table 2 alert code 10, p.8. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.