Goodman Error Code and Repair Guides - 34 Guides
Goodman HVAC troubleshooting hub with 34 guides for fault codes, alarms, symptoms, parts checks, and repair decisions.
Use this page when your Goodman furnace, air conditioner, heat pump, or mini split is flashing a fault. Start with the exact code, then open the fix guide to diagnose airflow, ignition, sensor, pressure switch, board, or communication problems before you order parts or book a service call.
Tip: search the exact brand, model, and code together, for example "Goodman error code 13" or "Goodman pressure switch fault".
Start With These Goodman Guides
Goodman FAQ
Where should I start with Goodman error codes?
Start with the exact Goodman model and displayed code or alarm, then open the closest guide on this page. Match the symptom, recent service history, and any secondary codes before resetting the equipment or ordering parts.
Do Goodman fault codes always mean a bad control board?
No. Many Goodman codes point to airflow, water flow, sensors, wiring, power quality, filters, switches, or operating conditions. Check the simple causes in the guide before replacing an expensive board.
When should I stop troubleshooting a Goodman fault myself?
Goodman HVAC equipment can hide unsafe ignition, refrigerant, high-voltage, or combustion problems behind a simple blinking code. Stop and use the repair checklist or compare service options when the guide points to gas, refrigerant, line voltage, sealed-system work, food-safety temperatures, or repeated faults after a reset.
| Error Code | What It Means | Guide |
|---|---|---|
| Goodman Furnace Error Codes 1-8 | Goodman furnace 1-8 flash-code guide for pressure switch, rollout, limit, ignition, flame-sense, gas-valve, and control-board faults. | Fix → |
| Goodman 3 Flash Pressure Switch Fault | Goodman 3-flash guide for pressure switch faults, inducer draft, blocked venting, condensate traps, hoses, resets, and Amana/Daikin units. | Fix → |
| Goodman GMS96 Error Codes | Fault Code Guide | Fix → |
| Goodman EE2 Control Board Communication Fault | Goodman EE2 guide for communicating HVAC faults, wiring, power surges, 24VAC transformers, thermostat compatibility, and board checks. | Fix → |
| Goodman GPH Series Packaged Unit Error Codes: Complete Guide | Goodman GPH packaged heat pump error codes and fault diagnostics. Flash codes, fault descriptions, and technician-level troubleshooting steps. | Fix → |
| Amana / Goodman Furnace 3 Flash Error Code | Causes & Fix | Fix → |
| Goodman 1 Flash Error Code | What It Means | Fix → |
| Goodman 2 Flash Error Code | Causes & Fix | Fix → |
| Goodman 4 Flash Error Code | Causes & Fix | Fix → |
| Goodman 5 Flash Error Code | Causes & Fix | Fix → |
| Goodman 6 Flash Error Code | Rollout Switch Open Fix | Fix → |
| Goodman 7 Flash Ignition Lockout | Goodman 7-flash guide for ignition lockout, gas supply checks, igniter and flame-sensor testing, rollout safety, and reset limits. | Fix → |
| Goodman 9 Flash Error Code | Causes & Fix | Fix → |
| Goodman ComfortNet Error Codes | Goodman ComfortNet guide for communicating furnace, heat-pump, air-handler, thermostat, bus-wiring, pressure-switch, and blower faults. | Fix → |
| Goodman Furnace 2 Flashes | Pressure Switch Stuck Closed Fix | Fix → |
| Goodman Furnace 3 Flashes | Pressure Switch Open Fix | Fix → |
| Goodman Furnace 4 Flashes | Open High Limit Switch Fix | Fix → |
| Goodman Furnace 5 Flash Error Code | Flame Sensed With No Heat Call | Fix → |
| Goodman Furnace 8 Flashes | Ignition Failure Lockout | Fix → |
| Goodman Furnace E1 Error Code | Causes & Fix | Fix → |
| Goodman Furnace E2 Flame Sense Fault | Goodman furnace E2 means a flame-sense fault on digital-display models. Clean the flame sensor, check grounding, gas ignition, and timing. | Fix → |
| Goodman Furnace E3 Draft Motor Fault | Goodman E3 guide for inducer startup, pressure-switch proofing, condensate blockage, flue restriction, hose leaks, and IFC output checks. | Fix → |
| Goodman Furnace EE2 Error Code | Causes & Fix | Fix → |
| Goodman Furnace EF Error Code | Invalid Flame Signal | Fix → |
| Goodman Furnace Error Codes | All Flash Codes Explained | Fix → |
| Goodman GMS80 Furnace Error Codes | Goodman GMS80 furnace guide for LED codes, pressure switches, limit trips, flame sensor faults, rollout switches, igniters, and blower issues. | Fix → |
| Goodman GMSS96 Furnace Error Codes | Flash Code Diagnostic Guide | Fix → |
| Goodman GSX13 Air Conditioner Error Codes | Goodman GSX13 guide for AC flash codes, pressure-switch trips, contactor faults, capacitor checks, fan problems, and control-board calls. | Fix → |
| Goodman GSZC18 Heat Pump Error Codes | Goodman GSZC18 guide for ComfortNet and LED faults, pressure lockouts, defrost-control errors, fan faults, board faults, and sensors. | Fix → |
| Goodman Heat Pump E1 Error Code | Pressure Switch Fault | Fix → |
| Amana Furnace Error Codes | Ignition, Pressure, Flame, and Limit Faults | Fix → |
| Best Furnace Igniter Replacement: Universal and Brand-Specific Picks | Choose a furnace igniter replacement by matching style, voltage, bracket, and brand fit before ordering a universal or OEM part. | Fix → |
| Furnace Blinking 3 Times | Cross-Brand Comparison Guide | Fix → |
| How to Reset a Furnace After Lockout | Per-Brand Reset Procedures | Fix → |