Amana Error Code 5R: Ignition Lockout
Warning: The furnace has locked out due to repeated failed ignition attempts, which could indicate a gas leak or carbon monoxide risk. Shut down the furnace immediately and call for professional service.
How to Fix Amana Code 5R
- Step 1: Turn off the furnace: Locate the furnace power switch (usually on the side of the unit) and turn it to the 'off' position.
- Step 2: Check the gas supply: Ensure that the gas shut-off valve near the furnace is fully open. Also, check that other gas appliances in your home are working.
- Step 3: Call a qualified HVAC technician: Do not attempt to troubleshoot the furnace yourself, as this could be dangerous. Contact a licensed HVAC professional to diagnose and repair the problem.
How to Reset Amana Code 5R
- 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 5R mean?
The '5R' error code on your Amana furnace indicates an 'Ignition Lockout'. This means the furnace tried several times to light the burners but failed. After multiple failed attempts (typically 3-5), the furnace control board shuts down the gas valve and blower motor as a safety precaution to prevent a dangerous buildup of gas inside the unit and your home. This lockout requires a manual reset in some cases, but more importantly, it signals an underlying problem that needs to be diagnosed and fixed by a qualified technician. Ignoring this error could lead to a hazardous situation.
Affected Models
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Hot Surface Igniter (HSI) | — | — |
| Flame Sensor | — | — |
| Gas Valve | — | — |
Related Codes on Same Models
| Code | Description | Severity |
|---|---|---|
| 1R | Flame Without Call | Critical |
| 2R | Pressure Switch Stuck Closed | Warning |
| 3R | Pressure Switch Open | Warning |
| 4R | High Limit / Rollout | 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 |