Upon arrival in speaking to Jesse, I found that the low-voltage wire for Y1 at the condenser had failed. I replaced the wire with the green wire at the condenser and the relay board is functioning properly at this time. Fall PM- Checked: blower motor and wheel, electrical wiring and connections, safety controls, airflow, temperature rise, thermostat, amp draws, capacitor, heat strips, sequencers, fan control relay, compressor, contactor, refrigerant level, reversing valve, defrost controller and defrost cycle, condenser fan motor, and overall function.