Amana Error Code 2R: Pressure Switch Stuck Closed
Warning: Your furnace has detected a problem with its pressure switch and has shut down as a safety precaution. This will require diagnosis and repair to restore heat.
How to Fix Amana Code 2R
- Step 1: Check the furnace exhaust vent outside your home for any obvious obstructions like snow, ice, or debris. Clear any blockage if safely accessible from the ground.
- Step 2: Ensure all furnace access doors are properly closed and sealed. A loose door can affect airflow.
- Step 3: Try resetting the furnace by turning off the power at the breaker for a few minutes, then turning it back on. This might clear a temporary fault.
- Step 4: If the error persists after these steps, contact a qualified HVAC technician for diagnosis and repair.
How to Reset Amana Code 2R
- Turn off the furnace power switch, usually located on or near the unit.
- Turn off the circuit breaker for the furnace. Wait 30 seconds.
- Restore power at the breaker and flip the furnace switch back on.
- Set the thermostat to call for heat. If the error code returns after 2-3 ignition attempts, the fault requires repair.
What does 2R mean?
The "2R" error code on your Amana furnace indicates the control board thinks the pressure switch is stuck in the closed position. This switch is designed to prove that the combustion blower is working correctly and moving enough air to safely vent exhaust gases outside. When the furnace starts, the pressure switch should be open, and then close once the combustion blower creates sufficient draft. If the control board sees the switch closed *before* the blower starts, or remaining closed when it should be open, it assumes something is wrong and shuts down to prevent a potentially hazardous situation. This could mean a faulty switch, a problem with the venting, or even an issue with the control board itself.
Affected Models
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Pressure Switch | 0130F00034 | — |
| Combustion Blower Motor | 7021-11185 | — |
| Integrated Furnace Control (IFC) Board | — | — |
Related Codes on Same Models
| Code | Description | Severity |
|---|---|---|
| 1R | Flame Without Call | Critical |
| 3R | Pressure Switch Open | Warning |
| 4R | High Limit / Rollout | Critical |
| 5R | Ignition Lockout | Critical |
| 6R | Gas Valve Relay Fault | Critical |
| 7R | Low Flame Signal | Critical |
| 8R | Reversed Polarity | Critical |
| 9R | Blower Motor Fault | Warning |
| 10R | Communication Error | Warning |