Lennox Equipment not specified

Lennox Error Code 442

Equipment not specified:

What It Means

  • OD Compressor Top Cap Switch Strikes Lockout

Causes & actions from Lennox

How it shows
  • iComfort S30 alert: 442

Priority condition: Service Urgent The top cap switch has opened five times within one hour. As a result, the outdoor unit is locked out. • This condition occurs when compressor thermal protection sensor opens five times within one hour. • Outdoor unit will stop.

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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