Status coded4Goodman
What does Goodman d4 mean?
Invalid shared data. The air conditioner or heat pump fails to operate. The chart says the code clears once data is loaded.
Call a pro: jump to when to call a pro Equipment type: AC / heat pump
How it shows: PCBHR104 unitary diagnostic display in Goodman service manual RS6200007 r27. Digit 3 is blank. Digit 2 is d and digit 1 is 4. The code is d4
Likely causes
- Shared data on the Bluetooth Shared Data Loader BTSDL01 has been rejected
Safe checks for d4
- Write down d4. The chart says this code clears once data is loaded
- Technicianverify communicating or legacy wiring and re-populate the correct shared data for this model with BTSDL01, or wire the system as a legacy system
- Technicianturn power off before inserting or removing the loader
Safety firstOutdoor units carry line voltage even when the thermostat is off. Switch off the unit's disconnect and breaker before touching anything. Refrigerant, wiring, compressor and control-board work must be done by a licensed HVAC technician.
Capacitors can hold a charge after the power is off. Safety terms.
When to call a pro
Call a licensed HVAC technician. d4 is rejected shared data from the loader, not an airflow code.
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