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AC unit thermostat problems

AC unit thermostat problems

Air Conditioning

Thermostat problems aren’t as simple as they seem. A faulty thermostat may cause the AC unit not to start or even not to stop. This can lead to higher costs and high temperature variations that can do harm to your health.

Sometimes the error is in the programming of the air conditioner and sometimes the thermostat is just broken and needs replacement.

Materials Needed

  • Voltage meter
  • Screwdriver
  • Batteries
  • Cleaning brush
  • Bond paper
  • Level

Starting problems

One of the most common problems is that the air conditioner unit won’t start, and for this you should check the thermostat. First of all turn off the unit and make sure the thermostat isn’t turned off. Check the wiring and replace the batteries if necessary. Turn the unit on again and see if it starts. If it doesn’t then see if the thermostat is clean.

Temperature settings

Temperature control is also a common problem for thermostats. The room is getting too cold or too hot and you don’t know why. There are a few methods which can help you test if the thermostat is working properly. Use a Voltmeter to see if the right voltage is reaching the unit. If not, use the manual of the thermostat and do the right settings. Another way is to check the level of the thermostat. Sometimes it may be misaligned and indicate the wrong temperature.

Cleaning

A nice and simple solution for a faulty thermostat is cleaning it. First of all turn it off and make sure that no power reaches it. Now remove the cover from the unit and use a soft brush to remove the dust and debris from the coil inside. Remove also the dirt between the contacts and from the mounting plate. Then reinstall the thermostat and test it.

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