This could be because there is dust or debris in the pilot light. This will affect how the fire catches, and the lazy flame created disrupts the main flame. This will then have a knock on effect on the fire itself, and can cause it to shut off.

How do you clean a dirty flame sensor?


Quote from Youtube video: If you have a very very fine sandpaper or an emery cloth you can use that too you don't want to be too aggressive. Because. You can actually scratch it and shorten its life.

How do you fix short cycling?

How To Stop and Prevent Short-Cycling

  1. Check your air filter. Believe it or not, a clogged air filter can cause a wide variety of air conditioning issues. …
  2. Check your thermostat placement. …
  3. Check your air conditioner’s refrigerant levels. …
  4. Replace the low-pressure control switch. …
  5. Check the compressor.





How do you test a flame sensor?

Quote from the video:
Quote from Youtube video: Then set your meter to measure. Microamps. As soon as the flame is established. You should see a microamp reading on your meter. My manual actually says i'm looking for between one and four microamps.