Lennox Equipment not specified

Lennox Equipment not specified Error Code 700

Equipment not specified:

What It Means

  • Thermostat Temp Sensor Problem

Causes & actions from Lennox

How it shows
  • iComfort S30 alert: 700

Priority condition: Service Urgent The HD display’s internal temperature sensor is not operating correctly. To resolve this issue, try the following: • Remove HD display from mag-mount and reattaching. • Seal hole in wall behind mag-mount to minimize exposure to unconditioned air from inside the wall. • Run “reset all” under dealer control center. • If issue persist, then replace the HD display.

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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