Goodman A2
Temperature sensor fault due to open, shorted, disconnected, or out-of-range condition.
Goodman A3
Temperature sensor fault due to open, shorted, disconnected, or out-of-range condition.
Goodman E5
Short circuit detected in low-voltage control wiring.
Goodman EE
Compressor relay or contactor contacts welded shut.
Goodman b0
Indoor blower motor malfunction or indoor-outdoor communication error.
Goodman b9
Airflow issue or indoor-outdoor unit mismatch.
Goodman d0
Communicating control module has not received initial shared configuration data.
Goodman d1
Communicating system module contains invalid or corrupted shared data.
Goodman d2
Incompatible shared data or indoor airflow capability exceeds outdoor requirements.
Goodman d3
Shared data sent to integrated control module mismatches hardware configuration.
Goodman d4
Shared configuration data on the memory card was rejected by control module.
Goodman 01
System protection fault due to low refrigerant, airflow loss, or liquid line restriction.
Goodman 02
High head pressure fault caused by blocked condenser coil or outdoor fan failure.
Goodman 03
Unstable demand call from thermostat or failing compressor relay contactor.
Goodman 04
Compressor operation interrupted due to high current draw.
Goodman 05
Loss of compressor power, open internal protector, or improper control wiring.
Goodman 06
Open circuit detected in the compressor start winding circuit.
Goodman 07
Open circuit detected in compressor run winding or faulty compressor wiring.
Goodman 08
Incoming line voltage to outdoor unit is out of normal operating range.
Goodman 09
Secondary 24VAC control voltage is below 18 VAC limit.
