Furnace - one of the most used appliances at home, when it stops working - you feel discomfort. So it’s better to fix the problem as soon as possible. You don’t need to panic, problem with starting could be solved by cleaning the flame sensor. The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, it might fail to detect a flame. If the flame sensor does not detect a flame, the control board will shut off voltage to the gas valve to prevent the furnace from heating. Sometimes, if the flame sensor is dirty, it will fail to detect a flame. Try cleaning the flame sensor. In this article we have prepared a short instruction which helps you to clean flame sensor on Amana guic090ca30.
For safety, be sure to shut off the power to the furnace before you remove any panels. You should shut off the gas supply as well. Rotate or unthread two retaining knobs, or unthread mounting screws, before you can remove the panel. The flame sensor is usually secured to the burning housing with a single mounting screw. Unthread the screw and carefully pull the sensor out of the housing. Keep in mind, you may need to first disconnect the wire from the sensor to fully remove it from the housing or to have better access to the sensor to clean it.
When you’ve finished cleaning the sensor, reseat it in the burner housing and secure it with the mounting screw. Reconnect the wire to the sensor terminal. Reposition the access panel and secure it with the mounting screws or retaining knobs as required. Turn the gas supply back on and restore power to the furnace. Call for a higher temperature on your home’s thermostat and observe if the furnace now appears to be functioning normally.
Make some tests, problem with starting must be fixed! If this doesn't work, there could be a defective part that requires a replacement, and you may need to consult a professional.
