Fault Code Lookup

HVAC Sales Master

13

Duplicate Comfort Sensor ID

This code typically points to

Duplicate wireless/comfort-sensor identity or duplicate device presence

Next checks to confirm

Check wiring and remove duplicate equipment
Reset HVAC equipment from thermostat

Escalation

Service urgent

Reset behavior

Auto clears when issue no longer exists.

Urgent

Fix now

Need deeper detail?

Retrieve the subcode for this platform:

On thermostat: Menu > Settings > Advanced Settings > Dealer Control Center > Notifications
Review active alarms on homeowner notification screen or in Dealer Control Center > Notifications
For service-app access, press the smart hub commissioning button once
Connect the mobile device to the smart hub when the LED begins blinking green
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, p.8; S30 manual p.55

Look up another code Change brand