Yellow ALERT LED 3 flashes (misreported) — Compressor Short Cycling issue check

What does ALERT LED 3 flashes Yellow (misreported) mean?

This indicates a potential misreporting of the 'Short Cycling' code. Verify the conditions related to compressor cycling and contactor wiring.

• Incorrect Y terminal connection.
• Contactor coil not dropping below 0.5VAC when off.

Click steps to track your progress.

1. 1

   Turn off unit power supply and install a lockout tag.

2. 2

   Verify the Y terminal is correctly connected to the 24VAC at the contactor coil.

3. 3

   Check that the voltage at the contactor coil falls below 0.5VAC when the compressor is off.

4. 4

   Review the wiring diagram for proper configuration.