Lennox Equipment not specified

Lennox Error Code 419

Equipment not specified:

What It Means

  • OD EIM W Output Hardware Fault Lockout

Causes & actions from Lennox

How it shows
  • iComfort S30 alert: 419

Priority condition: Service Urgent The W output has reported more than five errors. • The system will shut down the outdoor unit. • The W output (alert code 418) on the outdoor unit has reported more than five strikes. • Disconnect thermostat wire from W and verify there is no 24VAC on the W. • If 24VAC is present, replace the outdoor control.

Applicable models & manual sources
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.

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