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Surface burner flames too high, too low, uneven, yellow and/or noisy - Gas Cooktop

Possible Solutions

Are the burner ports clogged?

Clean clogged burner ports with a straight pin, needle, or small-gauge wire as shown.

  • Do not use a wooden toothpick; it can break off and prevent proper gas flow. 
  • Do not clean in the dishwasher.
  • Do not enlarge or distort the port.

Cleaning clogged burner ports with a pin  

CLICK HERE for a video about properly cleaning your gas surface burners.

Is an ultrasonic humidifier used in the house? 

An ultrasonic humidifier in the home can create water vapor mist that carries minerals into the air. When passed through a flame, the minerals can create different flame colors. The humidifier does not need to be located near the range for it to affect the flame color.  Using distilled water will reduce the effect on the flame appearance. 

  • Calcium can produce an orange or red color.
  • Potassium can produce a lilac or pink color. Potassium is found in natural water and is also used in some water softeners. 

Is the burner base & burner cap positioned properly? 

Cap must be seated on the burner base to light and perform properly.  Typical burners showed below:

Exploded view of standard and dual flame surface burner showing cap, spreader and electrode       Exploded view of Dual Tier Surface Burner showing inner and outer cap            Exploded view of Even-Heat Surface Burner showing inner cap, inner and outer spreader

CLICK HERE for a video about how to properly position your gas burners and bases.

Burner cap: Always keep the burner cap in place when using a surface burner. A clean burner cap, especially the bottom of the cap, will help avoid poor ignition and uneven flames. Always clean the burner cap after a spillover and routinely remove and clean the caps.

Be sure the correct burner cap is on the correct burner base.  The burner base and the underside of the burner cap may have a mark indicating which burner cap and burner base match, as shown below.

Matching burner base and underside of burner cap

Reinstall the burner cap, ensuring the alignment pins(if present) are properly aligned with the burner cap, as shown below. The burner cap should fit flush with the burner base and have minimal side-to-side movement.  

 Correct and incorrect alignment between burner base and burner cap

CLICK HERE for a video about how to properly position gas cooktop burner caps.

Does the surface burner make a popping noise?

The burner could be wet from a spillover or cleaning.  Allow the burner to completely dry and replace the burner cap.  You can speed up the drying process by blowing cool air on the area using a hairdryer.

Ensure the cooktop gas supply is correct (LP or Natural gas).

Refer to the Installation Instructions to verify that the pressure regulator is installed correctly and the line pressure and the gas line pressure are correct.

CLICK HERE to watch a video on how to check the gas regulator shut-off valve.

Is propane (LP) gas being used?

Compare the flame to the illustrations below. If the flames look like A:

  • A burner port (hole) may be clogged.  
  • Check to be sure the burner caps are positioned correctly.
  • If LP (propane) gas is being used, the cooktop may have been converted improperly; call for service. 

Normal flames look like B or C.

 
Normal ad abnormal surface burner flame
CLICK HERE for more information on the proper installation of all gas burners

Still need help? Contact us or schedule service.

Please contact us or click below to make an appointment from our preferred list of service providers for service on your appliances.

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Interested in purchasing an Extended Service Plan?

Please click below to learn more on how you can save up to 25% on New Appliance Extended Service Plans within 30 days of your appliance purchase.

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Still need help? Contact us or schedule service.

Please contact us or click below to make an appointment from our preferred list of service providers for service on your appliances.

United States
   

Interested in purchasing an Extended Service Plan?

Please click below to learn more on how you can save up to 25% on New Appliance Extended Service Plans within 30 days of your appliance purchase.

United States
 

  

 

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