Do you have a question about the Emerson Comfort Alert and is the answer not in the manual?
Explains the meaning of LED flashes and solid lights for troubleshooting.
Describes how to connect the thermostat demand signal (Y terminal).
Connects to thermostats for communicating alert codes.
For two-stage systems, connects Y2 for compressor solenoid.
Explains how to understand LED flash codes for fault diagnosis.
Comprehensive table detailing meanings and causes for ALERT LED flash codes 1 through 9.
Lists specific LED patterns indicating miswiring and provides corrective actions.
| Brand | Emerson |
|---|---|
| Model | Comfort Alert |
| Category | Diagnostic Equipment |
| Language | English |











