If your AC is displaying a C4 error code, you can try a few things to fix the issue. Follow these steps:

  • Please turn off the air conditioner and unplug it from the outlet.
  • Remove the front panel of the unit to access the fan blades.
  • Check the blades for any damage or debris and clean them if necessary.
  • Reassemble the unit and plug it back in.
  • Attempt to turn on the air conditioner again to see if the error has been fixed.
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What is C4 Error in Samsung Air Conditioner?

C4 error is a common error in Samsung air conditioners that occurs when the fan motor fails to start due to an electrical overload.

Several factors, such as faulty wiring, a defective capacitor or relay, or worn-out brushes on the motor can cause this.

How to Fix C4 Error in Samsung Ac

It can also be triggered by excessive dust buildup in the coils and filters of the unit.

To troubleshoot this issue, it’s important to check all these components for any signs of damage and replace them if necessary.

If you continue experiencing this problem despite having replaced all these parts then it’s best to call a professional HVAC technician for assistance.

How to fix Samsung inverter AC C4 22 Error problem solution

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Ralph P. Sita
Author: Ralph P. Sita

Ralph P. Sita is a seasoned professional with deep roots in both the HVAC and tech industries. His family’s business, Ralph P. Sita, Inc., is a locally owned and operated HVAC contractor with over 42 years of experience, serving the DC, Maryland, and Virginia areas. The company specializes in residential, commercial, and industrial heating, ventilation, and air conditioning services, offering everything from installation and maintenance to custom ductwork and indoor air quality solutions -www.ralphpsita.com. A former CPA, he spent the last decade as co-founder and co-CEO at Cybrary, a leading platform for cybersecurity and IT training. Cybrary became the largest, most well-known cybersecurity training businesses in the industry under his leadership. Smart AC Solutions is an opportunity to give back to the HVAC community by providing reliable, actionable information on all things heating and cooling.

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Ralph P. Sita is a seasoned professional with deep roots in both the HVAC and tech industries. His family’s business, Ralph P. Sita, Inc., is a locally owned and operated HVAC contractor with over 42 years of experience, serving the DC, Maryland, and Virginia areas. The company specializes in residential, commercial, and industrial heating, ventilation, and air conditioning services, offering everything from installation and maintenance to custom ductwork and indoor air quality solutions -www.ralphpsita.com.

A former CPA, he spent the last decade as co-founder and co-CEO at Cybrary, a leading platform for cybersecurity and IT training. Cybrary became the largest, most well-known cybersecurity training businesses in the industry under his leadership.

Smart AC Solutions is an opportunity to give back to the HVAC community by providing reliable, actionable information on all things heating and cooling.