Troubleshooting Tips for Forced Air Heaters

Posted by dawson12 on February 4th, 2015

The complex structure of a forced air heater makes it impossible for an average person to fully understand its functioning. Still, you have to make sure that the unit gets the attention it deserves to help it stay with you for long. The following are some of the common problems you may face here and their solutions.

Troubleshooting forced air heaters

Maintaining a forced air heating unit is not tough. These are some of the issues you may come across and their solutions.

  1. 1.       The unit refuses to work

If you happen to notice that your heater is turned on but not working, check the thermostat. See to it that the temperature setting is not too low for the unit to give off. Correct it. If this fails to solve the trouble, do the following.

  • Inspect the power supply: See to it that no power circuit is blown off or broken. Replace broken fuse and try again.
  • Check the fuel tank: If gas is the source of power, check if the tank is full. You should be able to light the pilot lighter.

  1. 2.       The heat is not enough

Sometimes, the unit will work well. But, the heat may not be enough. In such an instance, check the air filters. Dirt and debris when piled up restrict the flow of air. The unit will work hard to solve the trouble on its own. But, this may not be enough at times. Clean them and try if the heater is working fine. Do the same with the burner. If required, replace the filters; you should do it at least once a year.

  1. 3.       The unit switches off and on too often

If yours is a combustion heater, try adjusting the heat anticipator. This is the small lever located beside the temperature regulator. Set it a bit closer to the “longer” mark. It will take some time for this adjustment to come into effect. Wait a few minutes and try repeating the process if the previous attempt fails. A clogged filter may be the trouble if the same happens with an electricity-powered heater. Clean or replace them if you feel for sure that this is the issue. Failure in these attempts should alert you to the need of professional assistance.

  1. 4.       The unit works, but no heat

If you find that the unit is working but no heat is produced, check the air filters and ductworks. When the filter gets blocked with dust, it obstructs the flow of air. If the problem is with the ductworks, you will need professional assistance to solve the trouble.

You may also come across a situation where the motor is working fine, but the air fails to get distributed. This happens when the belt which connects the motor and the blower breaks off. Replace it and the issue gets resolved.

Take care to stick to the manufacturer instructions when repairing forced air heaters. In fact, this should be your sole guide in this regard. And, do not disassemble the entire unit. It will deprive you of the warranty offered for the product.

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