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Find practical guides to diagnose air conditioning faults, decode error messages, and fix common breakdowns step by step. Each article helps you identify symptoms, understand the cause, and apply quick solutions to restore cooling faster. Ideal for split units and other home cooling systems when you need a clear fix without wasting time.
Keys to detect why a Kaysun loses cooling capacity and what to check first without complications.
How to eliminate error The unit does not heat enough. In Kaysun air conditioning? Error: The unit does not heat enough. Description: The outer temperature is less than...
How to eliminate the error The remote control signal is not transmitted even by clicking the ignition/off button. In Kaysun air conditioning? Error: The remote control signal...
How to eliminate the error the “Timer On” indicator disappears for a while. In Kaysun air conditioning? Error: The “Timer On” indicator disappears for a while. Description: After...
Error: The air conditioning does not work in Kaysun air-conditioning How to eliminate the error “The air conditioning does not work.” in Kaysun air conditioning? Error:...
How to eliminate error The air conditioning does not cool or does not give enough heat in Kaysun air conditioning? Error: Air conditioning does not cool or...
Error: “Ed” Description: Communication error Cause: Communication problem between the indoor and outdoor units Solution: Reset the power and contact technical service if the error persists...
Error: “E8” Description: The fan speed is out of control. Cause: Issue with the indoor fan speed control system. Solution: Contact an authorized service technician for...
How to eliminate E7 error in Kaysun air conditioning? Error: E7 Description: EEPROM chip malfunction. Cause: Issue with the EEPROM memory chip. Solution: Check and replace the...
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 –...
Error: E3 Description: Issue with the indoor ambient temperature sensor. Cause: The sensor is not connected correctly or has failed. Solution: Verify the sensor connection or...
How to eliminate E2 error in Kaysun air conditioning? Error: E2 Description: Open circuit or short circuit in the temperature sensor T1 – Communications failure between the inner...