Viking Range Burners Popping on Low: Troubleshooting... | appliancefaults.com

Technical Background:

Viking ranges utilize a Main Control Unit (MCU) to manage burner operation. The MCU controls the gas valve and monitors the flame sensor. The spark ignition module generates high-voltage sparks to ignite the gas. A flame sensor (thermocouple) provides feedback to the MCU, confirming the flame is present. If the MCU doesn't receive a valid flame signal, it shuts off the gas supply. Voltage paths for the igniter typically range from 2-4kV AC.

Symptoms:

The US homeowner observes that the Viking range burners make a popping noise and have an unstable flame when set to the low setting. The burners may also extinguish spontaneously.

Possible Causes:

Clogged burner ports preventing smooth gas flow.
Incorrect gas pressure regulation to the burner manifold.
Dirty or corroded spark ignition module or igniter.
Moisture or grease accumulation around the burner assembly.
Faulty flame sensor or thermocouple disrupting the feedback loop.
Damaged or loose wiring connections to the ignition system.

Solution:

1

Disconnect power to the Viking range at the breaker panel (LOTO). Verify 0V AC at the range receptacle using a multimeter.
2

Remove the burner grates and burner caps. Carefully inspect the burner ports for any blockages. Use a small wire or burner cleaning tool to clear any obstructions.
3

Check the gas pressure regulator. Consult the Viking service manual for the correct low-pressure setting (typically around 4 inches Water Column for natural gas or 10 inches Water Column for LP). Use a manometer to verify.
4

Inspect the spark ignition module and igniter for damage or corrosion. Clean contacts with electrical contact cleaner. Test the igniter for continuity; replace if open.
5

Check and clean the flame sensor with fine steel wool. Ensure it is properly positioned near the burner.
6

Reassemble the burner components, turn the gas supply back on, and restore power. Test each burner, ensuring a stable low flame without popping.
7

Check the burner alignment. Use a 1/4-inch nut driver to adjust if needed.

Safety Warning:

Disconnect power at the breaker panel before working on the range. Lockout/Tagout (LOTO) procedures must be followed. High voltage is present in the ignition system. Ensure the gas supply is shut off before disassembling gas lines.

Prevention:

Regularly clean the burner assemblies to prevent grease and food buildup. Check the burner ports for obstructions every 6 months. Annually inspect the gas pressure regulator and flame sensors.

Expert Tip:

Viking ranges have a service mode that can display error codes and operating parameters. Check the Viking service manual for the specific sequence to enter service mode for your model.

Frequently Asked Questions

•What is the correct gas pressure for my Viking range model?

The correct gas pressure can be found in the service manual for your specific Viking range model. It is typically around 4 inches Water Column for natural gas and 10 inches Water Column for LP gas. You will need a manometer to accurately measure the gas pressure.

•How do I test the spark igniter for continuity?

Disconnect the power and isolate the igniter. Set your multimeter to the ohms setting (resistance). Place one probe on each of the igniter's terminals. A reading close to zero ohms indicates continuity. An open circuit (infinite resistance) means the igniter is faulty and needs replacement.

•Where can I find the service manual for my Viking range?

You can often find the service manual for your Viking range on the Viking website's support section by searching with your model number. Also, some appliance parts websites offer downloadable service manuals. Be sure to have your model number handy.

Viking Range Burners Popping on Low: Troubleshooting Guide

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip:

Frequently Asked Questions

•What is the correct gas pressure for my Viking range model?

•How do I test the spark igniter for continuity?

•Where can I find the service manual for my Viking range?

Related questions

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip: