HVAC Sales Master

Fault Code Lookup

HVAC Sales Master
11
Missing Device
This code typically points to
  • Previously installed communicating component not found
Next checks to confirm
  1. Check all device connections and Lennox compatibility
  2. Cycle system power
  3. Reset HVAC equipment from thermostat
Escalation
System-level communication problem
Reset behavior
Cycle power; if persistent, clear by reconfiguring system.
Urgent
Fix now
Need deeper detail?
Retrieve the subcode for this platform:
  1. On thermostat: Menu > Settings > Advanced Settings > Dealer Control Center > Notifications
  2. Review active alarms on homeowner notification screen or in Dealer Control Center > Notifications
  3. For service-app access, press the smart hub commissioning button once
  4. Connect the mobile device to the smart hub when the LED begins blinking green
  5. Use the app as a service tool after system commissioning is already complete (S30 service session auto-logs out after 30 minutes)
Tool required: iComfort Mobile Setup application for service workflow
Source
Residential Communicating Systems Alert Code Guide, pp.7-8; S30 manual p.54
Look up another codeChange brand