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.
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