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Troubleshooting code

Back to all A952V100CD5SB error codes

Trane A952V100CD5SB E15 troubleshooting

Corrupt unit data. Use this page to document the issue and prepare for service. GreenFlow should handle diagnosis for electrical, refrigerant, lockout, or recurring conditions.

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What the code means

E15: Corrupt unit data

The RunTru by Trane A952V error-code table identifies E15 when unit data in the personality module and local copy are corrupt.

System area
Configuration data
Service level
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Safe checks before calling

  • Confirm the thermostat is on, set correctly, and calling for heating or cooling.
  • Check the air filter and visible return-air path for obvious airflow restrictions.
  • Look around the outdoor unit for leaves, snow, ice, or other visible obstructions without opening the cabinet.
  • Take photos of the thermostat, outdoor unit, nameplate, and any visible flash pattern before scheduling service.

When to stop and call GreenFlow

Call GreenFlow if the code repeats, the system is locked out, heating or cooling is not restored, there is ice buildup, electrical odor, unusual noise, or any issue involving pressure switches, sensors, wiring, refrigerant, reversing-valve operation, or warranty coverage.

Share the visible code, model and serial number if available, photos, current symptoms, and whether the issue affects heating, cooling, or both.

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Find the cause of warm air from a central AC system and restore proper cooling where possible.

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Air Conditioner Not Cooling Repair

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Diagnose condensate drainage, pan, coil, and pump conditions that cause water around an AC system.

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Diagnose an AC system that does not start or respond to the thermostat.

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E15 questions

What does E15 mean on a Trane A952V100CD5SB?

The RunTru by Trane A952V error-code table identifies E15 when unit data in the personality module and local copy are corrupt.

What Trane message is associated with E15?

The Trane source used for this page associates E15 with "Corrupt unit data". Match the visible display text, LED pattern, or alert wording to the exact code whenever possible.

What system area does E15 point to?

This code is grouped under configuration data in the source-backed Trane troubleshooting data.

Which Trane documentation supports this E15 page?

Source-backed RunTru by Trane FNR-SVX005A-EN integrated furnace control error-code table for A952V variable-speed furnaces.

Does E15 involve a control, board, drive, or module?

The Trane source row points to configuration data. Record the exact code and visible alert text before any reset so the control history is not lost.

What information should be captured for E15 before clearing alerts?

Capture the exact code, any displayed alert text, the model and serial number, thermostat or control status, operating mode, symptoms, and photos of the display or LED pattern before the alert history is cleared.

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