Trane Error Code Fault history mode: Fault history diagnostics mode (AC)
Trane error code Fault history mode on a air conditioner means: Fault history diagnostics mode. It is also called Trane diagnostic code Fault history mode.
Homeowner? What Trane code Fault history mode means for you
Usually minor Your air conditioner is reporting: Fault history diagnostics mode. 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 Trane error code Fault history mode mean?
The manual says the digital display offers a diagnostics mode that cycles through historical faults, but does not give the entry steps in the text. Multiple active faults cycle automatically.
Applies to: 5TTR7 A-C / 5TWR7 heat pump multi-speed outdoor drive (AOC)
Trane models that use code Fault history mode
5TTR7024A5TTR7036A5TTR7048A5TTR7060A
Other Trane AC codes
All Trane Air Conditioner error codes →
Trane code Fault history mode: homeowner questions
What does Trane code Fault history mode mean?
Fault history diagnostics mode. The manual says the digital display offers a diagnostics mode that cycles through historical faults, but does not give the entry steps in the text. Multiple active faults cycle automatically.
Is it safe to keep using my air conditioner with code Fault history mode?
Usually yes. Code Fault history mode is normally minor, but if it keeps coming back have it checked.
Can I reset Trane code Fault history mode myself?
You can try one reset (power off for 30 seconds, then on). If Trane code Fault history mode comes back, the cause is still there and a licensed technician should check it.
Who can fix Trane code Fault history mode near me?
Aurora Star Tech Inc. repairs Trane 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
Source: Trane 5TTR7/5TWR7 installation ODR-SVN002E-EN, Tables 17-18 notes, p.24-26. 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.