Troubleshoot error code “E4” in Kaysun air-conditioning

How to eliminate E4 error in Kaysun air conditioning?

  • Error: E4
  • Description: Open circuit or short circuit in the T2B temperature sensor – Outdoor temperature sensor failure – The temperature sensor does not work or there is a short circuit.
  • Cause: 
  • Solution: Contact your service representative.

More tips

We recommend that, in case of not being able to solve the Kaysun air conditioning error, contact a technical or specialist service. They can help you diagnose and solve the problem so that you can enjoy your air conditioning again.

Other error codes in Kaysun air-conditioning

Air Conditioner Error Codes for Kaysun

Air Conditioner Error Codes for Kaysun

When your Kaysun air conditioner starts acting up, it might be trying to communicate with you through its error codes. These codes are a form of self-diagnosis that modern appliances ...
Troubleshoot error code "It comes out of unity but does not cool." in Kaysun air-conditioning

Troubleshoot error code “It comes out of unity but does not cool.” in Kaysun air-conditioning

How to eliminate the error comes out of the unit but does not cool. In Kaysun air conditioning? Error: It comes out of unity but does not cool.Description: The temperature ...
Troubleshoot error code "P8" in Kaysun air-conditioning

Troubleshoot error code “P8” in Kaysun air-conditioning

How to eliminate the P8 error in Kaysun air conditioning? Error: P8Description: Current overload protection.Cause: Solution: Contact your service representative. More tips If you fail to solve the problem of ...