Applicable Systems
Carrier ComfortLink Thermostat/Controller
Symptoms
Remote control fault. The remote controller is not communicating with the main unit.
Possible Causes
- Remote control cable damaged or disconnected
- Remote control hardware failure
Troubleshooting Steps
- Step 1: Check the remote control cable and connections
Cable is secure and not damaged - Step 2: Verify the remote control is powered and responding
Remote is not responding
How to Reset
To reset: Fix the cable or replace the remote, then reset the controller.
Source: Carrier HVAC Troubleshooting Guide, Carrier Corporation
Category: HVAC Residential