What happens when flame sensor goes bad?
What happens when flame sensor goes bad?
What happens when a flame sensor goes bad? If your flame sensor is dirty or faulty, it will automatically shut down the heating unit if it doesn’t detect a flame. Most furnaces will go into a safety ignition lockout when a shutdown happens three times.
How do you know flame sensor is bad?
Signs of a bad furnace flame sensor are:
- The furnace lights but then shuts down after a few seconds (short cycles)
- The porcelain on the flame sensor is cracked.
- The flame sensor is sooty or corroded.
How do you clean the flame sensor on a Rheem furnace?
- Step 1: Power Down the Furnace. Switch off the furnace switch.
- Step 2: Locate the Flame Sensor. Remove the access panel.
- Step 3: Remove the Flame Sensor. Disconnect the wire by pulling it off the terminal.
- Step 4: Clean the Probe.
- Step 5: Replace the Flame Sensor.
- Step 6: Test the Sensor.
Why is my Rheem furnace keeps shutting off?
If your furnace keeps shutting off, it could be due to low airflow. There are several indirect issues that cause low airflow. Dirty Air Filters. If you don’t change your air filters often enough, the filters will become dirty and clogged, which means the heat exchanger retains heat and eventually causes it to overheat.
How long do furnace flame sensors last?
Flame sensor lifespan If you’ve just replaced the sensor or had a new furnace installed, you can expect the flame sensor to last for about five years. The average lifespan of a furnace is 15 to 30 years, so you can anticipate a flame sensor replacement once or twice over the course of your homeownership.
Can you bypass the flame sensor on a furnace?
You won’t find steps to bypass the flame sensor anywhere. In theory, this might work, and you would get the furnace running by somehow bypassing the flame sensor. Attempting to bypass the flame sensor is not a good idea, even if it were possible. The flame sensor is an important safety feature on your furnace.
How much does it cost to replace a flame sensor?
Flame Sensor It stops your furnace from letting off large amounts of natural gas if it’s not working properly. If the sensor is bad, it won’t be able to sense heat and will turn the furnace off. The average cost to repair or replace a flame sensor is between $75–$200.
How long do flame sensors last?
about five years
Flame sensor lifespan If you’ve just replaced the sensor or had a new furnace installed, you can expect the flame sensor to last for about five years. The average lifespan of a furnace is 15 to 30 years, so you can anticipate a flame sensor replacement once or twice over the course of your homeownership.
Where is my furnace flame sensor?
WHAT IS A FURNACE FLAME SENSOR? A furnace flame sensor is a very basic part of your furnace. It’s located on the burner assembly and is just a thin metallic rod. It’s usually bent, and it sits just in front of the pilot flame inside the furnace.
How much is a flame sensor for furnace?
If they are part of a routine maintenance service, they will cost about $200. Similarly, flame sensors often become too dirty and malfunction, but these sensors can be fixed with a thorough cleaning. However, if it’s too far gone and you must replace the flame sensor, it will cost you anywhere from $80 – $250.
How much does it cost to replace a flame sensor on a furnace?
You can expect to pay between $350 and $500 for a new flame sensor if you call a furnace repair company.
