Bryant · Comfort Alert Diagnostic Module
This indicates that the Comfort Alert Diagnostic Module (CADM) is receiving the necessary control power to operate.
Click steps to track your progress.
Verify that the R and C module terminals are connected.
Check for 24VAC voltage at the module's R and C terminals.
Ensure the R and C terminals receive power directly from the control transformer.
Confirm the module is not powered by another device that could interrupt the 24VAC supply.