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Troubleshooting code

Back to all A952V120DU5SB error codes

Trane A952V120DU5SB E17 troubleshooting

Blower motor communication error. 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

E17: Blower motor communication error

The RunTru by Trane A952V error-code table identifies E17 as no communication response from the blower motor.

System area
Blower communication
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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Diagnose an AC system that does not start or respond to the thermostat.

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E17 questions

What does E17 mean on a Trane A952V120DU5SB?

The RunTru by Trane A952V error-code table identifies E17 as no communication response from the blower motor.

What Trane message is associated with E17?

The Trane source used for this page associates E17 with "Blower motor communication error". Match the visible display text, LED pattern, or alert wording to the exact code whenever possible.

What system area does E17 point to?

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

Which Trane documentation supports this E17 page?

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

Is E17 related to communication between controls?

The Trane source row identifies this as a communication-related condition. Preserve the displayed code and any companion alert text before clearing or resetting controls.

What information should be captured for E17 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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