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Goodman / Amana GR9S80 / GD9S80 Furnace Codes
Also sold as Amana AR9S80/AD9S80 and Daikin VR9S80/VD9S80. Igniter-circuit, polarity and grounding codes also exist on this control; see the manual linked below for those.
| Code | Meaning | What to check |
|---|---|---|
| EE0 | Lockout due to an excessive number of ignition retries (3 total). | Gas supply, igniter, flame sensor, flue blockage, inducer. How to fix → |
| EE1 | Pressure switch closed at the start of the heating cycle. | Stuck switch contacts or a short in the switch wiring. How to fix → |
| EE2 | Pressure switch circuit is not closed. | Blocked flue, weak inducer, pinched or blocked hose, wiring. How to fix → |
| EE3 | Primary (high) limit circuit is open. | Airflow: filters, ductwork, blower speed and motor. How to fix → |
| EE4 | Flame sensed with no call for heat. | Short at the flame sensor or wiring, or a lingering flame from a slow-closing gas valve. How to fix → |
| EE5 | Open fuse. | Short in the low-voltage wiring. How to fix → |
| EE6 | Low flame sense signal. | Clean the flame sensor, check its position and gas pressure. How to fix → |
| EEb | Gas valve is not energized when it should be. | Wiring to the gas valve; replace the control if wiring is good. How to fix → |
| EEC | Gas valve is energized when it should not be. | Wiring at the gas valve; replace the control if wiring is good. |
| E11 | Open rollout switch. | Gas pressure, burner alignment, flue and heat exchanger. Manual reset. How to fix → |
| EEn | Igniter open. | Igniter wiring and igniter resistance. How to fix → |
| EEJ | Inducer relay error. | Replace the integrated control. |
| EEH | Twinning error. | Twinning wiring between furnaces. |
| EEE | Internal fault or IRQ loss in the control. | Replace the integrated control. |
| EbL | Blower motor drawing very little current. | Loose motor connections, failed motor. |
| EbU | Blower motor drawing too much current. | Motor wiring and voltage, seized or failing motor. |
| EAF | Lost communication with the R-32 (A2L) refrigerant sensor; furnace in mitigation mode. | Sensor wiring; verify the sensor is installed and not damaged. |
| EAL | R-32 sensor detected a refrigerant leak; furnace in mitigation mode. | Find and repair the leak. The furnace resumes after the leak clears plus a 5-minute delay. |
| EAS | R-32 sensor has detected a fault; furnace in mitigation mode. | Check and replace the R-32 sensor. |
| EAr | A2L relay in the furnace control has detected a fault. | Cycle power; replace the control if it persists. |
How to read the codes
- The display shows the active fault. To see stored faults, use the left or right button to reach the fault-history menu, then press the center button.
- To clear stored faults, press and hold the center button for 5 to 30 seconds; the display flashes dashes three times.
- No display at all usually means a blown fuse, a tripped breaker, or no 115 or 24 volts to the control.
Codes point to a circuit, not a part. Test before replacing anything, and never jumper a limit, rollout or pressure switch to keep a furnace running. Gas and line-voltage work is for trained technicians.
Source: Goodman Service and Troubleshooting, 80% Single Stage Gas Furnaces, RS6621301 (11/2023). The "meaning" column follows the manufacturer's wording; "what to check" is our field summary. Always go by the label on the furnace you're working on.
Related
- How to read furnace LED flash codes
- Furnace pressure switch troubleshooting
- Flame sensor microamps and cleaning
Other brands
- Lennox Merit ML180UH (80% single-stage)
- Carrier 58CVA / 58CVX (80% variable-speed two-stage)
- Rheem / Ruud R96V / 96MDV (96% two-stage communicating)
- Trane / American Standard S9X1 / S9X2 / S9B1 (96% condensing)
- Lennox SL280UHV (80% two-stage variable speed)
- Goodman / Amana / Daikin GM9S96 / GC9S96 / GM9S92 (96% and 92% condensing, single-stage)
- Carrier 59TP6C two-stage condensing with InteliSense (Performance series)
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