Lennox | Numeric Codes (E-Codes)

Error Code E201

Troubleshooting guide for the Lennox Numeric Codes (E-Codes) system fault E201.

Disclaimer: This information is for general reference. Error codes can vary by model and production year. Always refer to your machine's specific manual and the information printed on the unit itself.

System Diagnosis

Lost Communication with Indoor Blower. The control board cannot communicate with the blower motor.

Potential Causes & Solutions

  • Loose wiring, bad motor, bad control board.

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