Goodman Heat Pump error codes
5 Goodman heat pump codes and problems, each with ranked causes, safe homeowner checks and honest repair costs. Count the flashes or read the code on your control board, then find it below. Legends vary by board revision, so confirm against the label inside your unit's door.
| Code | What it means | Severity |
|---|---|---|
| Frozen and not defrosting | Goodman heat pump iced over and not defrosting? Learn the causes (defrost board, sensor, reversing valve, low charge), safe fixes and repair costs. | Call a pro |
| Ice on outdoor unit | Ice on your Goodman heat pump outdoor unit: normal frost vs. a real problem, the likely causes, safe homeowner checks, and typical repair costs. | Call a pro |
| Not cooling | Goodman heat pump not cooling? Reversing valve, O/B thermostat setup, capacitor, low charge and board causes, safe checks and repair costs of $0 to $3,500+. | Call a pro |
| Not heating | Goodman heat pump not heating? Learn the likely causes, from thermostat setup to reversing valve and refrigerant faults, plus safe checks and repair costs. | Call a pro |
| Stuck in defrost mode | Goodman heat pump stuck in defrost? Learn the causes (defrost board, sensor, reversing valve, refrigerant), safe checks, and repair costs. | Call a pro |
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