What does COM ERROR BACK PCB mean on Carrier Connect Thermostat?
COM ERROR BACK PCB on your Carrier Thermostat means a valid packet has not been received from the back PCB within the last 15 seconds.
General| Connectivity | Wi-Fi |
|---|---|
| Display | Touchscreen |
| Voice Control | Amazon Alexa, Google Assistant |
| Geofencing | Yes |
| Energy Reports | Yes |
| Type | Smart |
| Power Source | Hardwired |
| Features | Remote Access |
| Compatibility | iOS and Android |
| Alerts | System Alerts |
| Installation | Professional installation |
Introduces the thermostat, its capabilities, and package contents.
Lists technical details like power, operating range, dimensions, and compliance.
Provides wiring diagrams for various HVAC system types and configurations.
Step-by-step instructions for physically mounting the thermostat base and faceplate.
Details wire specifications and diagrams for connecting remote sensors or contacts.
Guides users through downloading, registering, and connecting the Connect™ App.
Explains how to access and utilize thermostat functions via web or mobile interfaces.
Explains how to navigate and access system settings on the thermostat.
Details advanced system parameters and their configuration options.
Explains how the thermostat controls heating, cooling, and other system functions.
Describes the primary user interface screens and their navigation.
Covers Home, Setpoint, Mode, Humidity, Fan, and Program screens.
Explains Date/Time, Backlight, Filter, Log, and Lockout features.
Displays dealer/installer contact information, editable via mobile app or transfer.
Guides users through field testing the thermostat's outputs.
Provides guidance on common issues, fault definitions, and power outage recovery.
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