The pilot light on an Amana furnace is a small but essential flame that ignites the main burners. This article explains where the pilot light is typically located, how to safely relight it, common problems, troubleshooting steps, and maintenance tips to keep an Amana furnace operating reliably. Safety precautions are emphasized throughout.
| Furnace Model Type | Typical Pilot Light Location | Access Tip |
|---|---|---|
| Older Standing Pilot Amana Furnaces | Lower front panel near burner assembly, behind removable access panel | Remove front panel and locate combustion chamber opening |
| Direct Spark Ignition / Hot Surface Ignition (newer) | No standing pilot; ignition module near burners | Look for igniter assembly instead of pilot light |
How Pilot Lights Work In Amana Furnaces
Amana furnaces may use a traditional standing pilot or modern electronic ignition systems. A standing pilot continuously burns and lights the main burners when heat is needed. Newer Amana furnaces commonly use hot surface or direct spark ignition systems that do not have a continuous pilot flame.
Understanding which system is installed is key to locating the pilot light. The presence of a small, continuously burning flame indicates a standing pilot system, whereas repeated clicking or a glowing ceramic igniter indicates an electronic ignition system.
Where To Find The Pilot Light On An Amana Furnace
On many older Amana models the pilot light is located inside the lower portion of the furnace near the burner assembly. It is typically accessible after removing the furnace’s lower front access panel or burner access door.
Common locations and clues:
- Lower front compartment: Behind a removable metal panel near the burners.
- Combustion chamber opening: Look for a small gas tube and pilot assembly adjacent to the burner ports.
- Label and diagram: Many furnaces have a schematic sticker on the access panel indicating pilot location.
Identifying If The Furnace Has A Standing Pilot Or An Electronic Igniter
Before attempting to relight, determine the ignition type. A visible small flame at all times means a standing pilot. If the furnace attempts to light with an electronic clicking sound or a brief glow and no constant flame exists, the furnace uses an electronic ignition and has no pilot to relight.
- Standing pilot signs: Continuous small flame, manual pilot valve with “Pilot/On/Off” positions, older model age.
- Electronic ignition signs: No continuous flame, presence of an igniter component near burners, model is newer.
Safety First: Precautions Before Accessing The Pilot
Working with gas appliances requires caution. Always follow these safety steps before locating or relighting a pilot light.
- Turn off electrical power to the furnace at the breaker.
- Shut off the gas supply to the furnace when instructed by relighting procedures.
- Ventilate the area if gas odor is present and leave immediately if smell is strong.
- Use a flashlight and avoid open flames until the pilot sequence is ready.
- If unsure, contact a licensed HVAC technician or gas utility for assistance.
Step-By-Step: How To Relight An Amana Furnace Pilot Light
These steps apply only to Amana furnaces equipped with a standing pilot and a manual pilot valve. If the furnace uses electronic ignition, do not attempt to relight a pilot because there is none.
- Read the Owner’s Manual: Locate the furnace manual or the instructions printed on the furnace panel and follow the manufacturer’s specific guidance.
- Power Off: Turn off power to the furnace at the breaker to prevent accidental ignition cycles.
- Gas Valve To Off: Set the furnace gas control knob to “OFF” and wait five minutes to allow any accumulated gas to dissipate.
- Switch To Pilot: After the wait, turn the knob to the “PILOT” position.
- Depress And Hold: Press and hold the pilot button or gas control button while igniting. This allows gas flow to the pilot orifice.
- Ignite The Pilot: Use the furnace’s built-in piezo igniter or a long-reach lighter to light the pilot while the button is depressed.
- Hold And Verify: Continue holding the pilot button for 30–60 seconds after ignition to ensure the thermocouple senses the flame.
- Release And Check: Slowly release the button. The pilot should remain lit. If it goes out, repeat the sequence two more times; if still unsuccessful, proceed to troubleshooting.
- Turn To On: If the pilot holds, turn the gas control knob to “ON” and restore power to the furnace. Observe one full heating cycle to confirm normal operation.
Troubleshooting: Pilot Lights That Won’t Stay Lit
If the pilot flame ignites but won’t stay lit, several common causes exist. Correctly diagnosing the problem avoids repeated relighting attempts and addresses safety concerns.
- Faulty Thermocouple: A worn thermocouple may fail to sense the flame and shut the gas off. Replacement is often straightforward and affordable.
- Pilot Orifice Clogging: Dust, debris, or soot can block the pilot orifice. Cleaning the pilot assembly with compressed air or a fine needle can restore flow.
- Improper Flame Shape: The pilot flame should envelop the thermocouple tip. If the flame is weak or yellow, the gas pressure or orifice condition may be at fault.
- Drafts: Strong drafts or exhaust flow can extinguish the pilot. Check installation, venting, and nearby doors or fans causing airflow issues.
- Gas Supply Issues: Low gas pressure or a partially closed gas valve can produce weak pilot flames.
How To Clean Or Replace A Thermocouple
Cleaning or replacing the thermocouple is a common homeowner fix. Always shut off gas and power before servicing.
- Access The Pilot: Remove the burner access panel and locate the thermocouple—a small metal rod next to the pilot flame.
- Inspect It: Look for corrosion, soot, or displacement. A properly positioned thermocouple tip should be directly in the pilot flame.
- Clean Carefully: Use fine sandpaper or emery cloth to gently clean the thermocouple tip. Blow away loosened debris with compressed air.
- Replace If Needed: If cleaning fails or the thermocouple is damaged, replace it with an OEM or equivalent part following the furnace manual instructions.
- Test: Reassemble, relight the pilot, and confirm the pilot remains lit after releasing the control button.
When The Furnace Uses Electronic Ignition
Many modern Amana furnaces use hot surface or direct spark ignition and do not have a pilot light to relight. Troubleshooting these systems differs significantly from pilot-based systems.
- Hot Surface Igniter: Look for a cracked or glowing ceramic igniter; replacement is common and should be handled with care to avoid breaking the element.
- Direct Spark: Inspect for spark at the electrodes and check ignition control modules if no spark occurs.
- Error Codes: Many control boards flash fault codes on a status LED. Consult the manual for diagnostic meanings.
Maintenance Tips To Prevent Pilot Problems
Regular maintenance reduces pilot-related failures and improves furnace longevity. Periodic checks by a professional HVAC technician are recommended annually.
- Schedule Annual Tune-Ups: A certified technician will inspect, clean, and adjust the pilot assembly, burner, and venting.
- Keep Area Clean: Clear dust and debris from around the furnace cabinet and access panels.
- Monitor Flame Color: A stable blue pilot flame indicates healthy combustion; yellow or flickering flames suggest a problem.
- Replace Worn Parts: Replace thermocouples, pilot tubes, and igniters as they age rather than waiting for failure.
Signs It’s Time To Call A Professional
Some problems require licensed technicians, especially those involving gas supply, venting, control boards, or persistent safety faults.
- Strong Gas Odor: Evacuate and call the gas company or emergency services immediately.
- Repeated Pilot Failures: If the pilot repeatedly goes out despite cleaning and part replacement.
- Venting Or Carbon Monoxide Concerns: Any suspicion of blocked vents or CO requires professional inspection and CO detector confirmation.
- Complex Electronic Faults: Ignition module errors, control board faults, or wiring issues need trained service technicians.
Frequently Asked Questions About Amana Furnace Pilot Lights
How Can A Homeowner Tell If Their Amana Furnace Has A Pilot Light?
Observe the burner compartment with the access panel removed when the furnace is off; a continuous small flame indicates a standing pilot. If the furnace attempts startup with no continuous flame and an igniter is visible, it uses electronic ignition.
Is It Safe To Relight The Pilot Without A Technician?
Relighting a standing pilot following the manufacturer’s instructions and safety steps is generally safe for competent homeowners. If gas odor, damaged components, or uncertainty exists, contact a licensed technician.
Can A Dirty Pilot Orifice Cause High Energy Bills?
A clogged pilot orifice primarily causes ignition problems, but inefficient combustion from poor pilot performance can indirectly affect furnace cycling. Routine maintenance helps maintain efficiency.
What Should The Pilot Flame Look Like?
The pilot flame should be steady and mostly blue with a small inner cone. A yellow, flickering, or weak flame indicates improper combustion, sooting, or low gas pressure.
Resources And Parts Information
When ordering replacement parts such as thermocouples or pilot assemblies, referencing the furnace model number and serial number ensures correct parts. Amana parts are available through authorized dealers and reputable HVAC supply stores.
Owner manuals, wiring diagrams, and error code references are often available online from the Amana/Daikin support site or from dealers; consult these resources before performing repairs.
Note: Any work on gas piping, regulators, or venting should be performed by a qualified professional in accordance with local codes.